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Hetzner Online GmbH is a company and data center operator based in Gunzenhausen, Bavaria, in Germany.

Key Information

History

[edit]

Hetzner Online GmbH began operations in Germany in 1997[3] under the name Hetzner Online Services. Between 2000 and 2015, Hetzner Online in Germany operated under the legal status AG ("Aktiengesellschaft"). In 2015, it changed its legal status to GmbH. In addition, Hetzner Online expanded its chief executive team with Stephan Konvicka and Günther Müller at the beginning of 2019.[4]

The company is named after its founder Martin Hetzner. Hetzner Online owns and operates three data center parks in Nuremberg[5] and Falkenstein (Germany), and Tuusula (Finland).[6][7][8] It also rents colocation space in Ashburn, Virginia (United States), and Hillsboro, Oregon (United States).[9] In 2024, Hetzner expanded its global footprint with a new data center in Singapore (Singapore).[10]

In addition, Hetzner Online is a co-investor in the Cinia C-Lion1 project, which connected Helsinki and Rostock, Germany together with a 1,100 km long submarine fiberglass cable. The cable provides a high-speed connection between Hetzner's German and Finnish data centers.[11][12]

Services

[edit]

Hetzner Online provides dedicated hosting, shared web hosting, virtual private servers, managed servers, domain names, SSL certificates, storage boxes,[13] and cloud. At the data center parks located in Nuremberg, Falkenstein and Tuusula/Finland, customers can also connect their hardware to Hetzner Online's infrastructure and network with the company's colocation services.[14] The company operates a server auction site online where the chance to rent older dedicated servers (not purchase or colocate) are auctioned off in the form of a Dutch auction.[15] According to W3Techs, Hetzner is used by 2.7% of all websites.[16]

Hetzner Online has a domain name registrar arrangement with ICANN (for registering domains under .com, .net and .org and others),[17] DENIC (for .de),[18] and nic.at (for .at).[19]

Infrastructure

[edit]

Hetzner Online's datacenter projects are coordinated and implemented in-house with as little outsourcing as possible. [citation needed] Data center units served by multiple redundant uplinks, including 1300 Gbit/s to DE-CIX and fiber optic links to Nuremberg and Frankfurt. Colocation facilities are sited at all data center parks in Nuremberg, Falkenstein (Vogtland) in Germany, and Helsinki in Finland.[20]

In 2021, a datacenter in Ashburn, Virginia, was opened, marking Hetzner's first American server.[21] By 2024, the company took a significant step by opening a datacenter in Singapore, marking Hetzner's first Singaporean server.[22] In March 2025, Hetzner and MHB Montage launched HT Clean Energy, a solar initiative for data centers, marking a significant move toward reducing the carbon footprint of the company's data center operations.[23][24]

Network

[edit]

The backbone is set up in the form of a ring network between the datacenter locations Nuremberg and Falkenstein, as well as the most important Internet location, Frankfurt. All locations are connected to central exchange nodes such as DE-CIX, AMS-IX, DATA-IX, and V-IX via the company's own fiber optic network.[25] All Hetzner's dedicated servers had a minimum 20 TB monthly cap for full speed on their servers with the option for an extra fee for full speed past that point. However, they have lifted the bandwidth cap on 1 Gbit/s connection speeds as of October 1, 2018.[26][27][28]

In 2025, Hetzner began upgrading its core network infrastructure using Nokia routing technology. The upgrade includes the deployment of 7750 SR-1x routers, which support 100G connections and are compatible with higher-capacity interconnects such as 400G and 800G. [29][30]

Incidents

[edit]

Hacking

[edit]

In June 2013, Hetzner Online suffered from a security breach where customer information was exposed to attackers who had compromised Hetzner Online's monitoring systems.[31][32]

Russian complaints about Glavcom.ua

[edit]

In early August 2014, the Russian Federal Service for Supervision of Communications, Information Technology and Mass Media (Roskomnadzor) sent a demand to many news agencies prohibiting any mention of the demonstration that was being arranged in the Siberian city of Novosibirsk in support of the federalization of Siberia.[33][34] A number of such messages were sent to Ukraine, which was in the midst of undeclared war with Russian paramilitaries in the Donetsk region.[35] Since the Ukrainian online newspapers did not remove the article, Roskomnadzor sent letters to their internet providers demanding removal of the news item. Hetzner Online complied with the demands and sent a notice to glavcom.ua, saying "Please solve the problem and reply within the next 24 hours to avoid suspension. This is the final deadline."[36]

This story was widely reprinted in news sources.[37] The Ukrainian Ministry of Foreign Affairs issued a statement expressing solidarity with glavcom.ua owners and journalists. Vassily Zvarych, vice-head of the Communications Department of the Foreign Ministry, gave a press conference saying that he was surprised by Hetzner Online's compliance with the Russian complaint.[38] The German chapter of Reporters Without Borders also issued a statement condemning Roskomnadzor.[39]

The notices to suspend Glavcom.ua were issued by Hetzner Online August 6, 2014; on August 10 Hetzner Online issued apologies, denying that any censorship was planned and that their technical support made a mistake, which they regretted.[40] However, by that time the story was widely published in German mass-media,[41] and Glavcom.ua already migrated from Hetzner Online to another hosting provider.[42][43]

no.spam.ee lawsuit

[edit]

In 2013, an Estonian anti-spam activist Tõnu Samuel posted a blog entry about an alleged spammer Silver Teede on his website no.spam.ee. In retaliation, Teede wrote a complaint to the blog's service provider, Hetzner Online, who decided to terminate services for the blog. In an ensuing court case, Estonian courts found the complaints to be baseless and awarded Samuel damages from Silver Teede for the loss of Samuel's servers.[44][45][46]

Duplicate Ed25519 SSH keys

[edit]

From April 2015 to December 2015, many of the OS images used by Hetzner's installation program installimage had used duplicate Ed25519 SSH keys. This could potentially mean that an attacker could use a man-in-the-middle attack to compromise an SSH connection that was using Ed25519 keys. Hetzner sent an email to all affected customers with any potentially affected servers on information about the issue, and how to fix it.[47][48]

Blocking "Novaya Gazeta"

[edit]

On January 11, 2016, Hetzner blocked the St. Petersburg site of Novaya Gazeta, the leading opposition, non-government newspaper in Russia.[49] The newspaper alleged the act was political censorship without any legal justification.[50][full citation needed]

Blocking Ukraine War information

[edit]

On March 7, 2022, during the 2022 Russian invasion of Ukraine, Hetzner disabled the hosting account behind a Ukrainian state-affiliated war information website (war.ukraine.ua).[51][52] Hetzner initially denied blocking the website in question, stating that Cloudflare informed them that the IP does not belong to their network.[53] Two days later, Hetzner confirmed via a press release that they had erroneously suspended the servers due to "anomalies" found in the account by an employee, which came from a not yet fully developed "plausibility check" and stated that their actions had not been politically motivated.[53] The press release has since been deleted from the Hetzner website.

Blocking Russian Users

[edit]

In December 2023, Hetzner allegedly sent an email to its users informing them that they will be ending contractual relationship with customers from Russia. Policy was scheduled to take place on January 31, 2024.[54]

References

[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

Hetzner

View on Grokipedia
from Grokipedia
Hetzner Online is a German operator and hosting provider specializing in dedicated servers, , colocation, and web hosting services for private and business customers. Founded in 1997 and headquartered in , , the company has expanded to operate facilities in and Falkenstein (Germany), (), Ashburn (, ), and , managing over 400,000 servers across 31 with an emphasis on energy efficiency and 100% green electricity usage. Hetzner distinguishes itself through competitive pricing, high reliability, and GDPR compliance, earning recognition such as the Service Provider Award in 2023 for its infrastructure contributions. Its growth includes international market entry, like the 2021 launch, positioning it as one of Europe's largest independent operators amid rising demand for cost-effective, sustainable IT solutions. Notable challenges have included a 2018 exposing customer information and occasional customer reports of abrupt service terminations due to policy enforcement on or sanctions-related activities.

History

Founding and Initial Operations (1997–2000s)

Hetzner Online was founded in 1997 by Martin Hetzner in , , , initially operating as a web hosting provider targeting private and business customers with affordable IT infrastructure solutions. In its early years, the company focused on delivering dedicated servers and hosting services, emphasizing cost-effective, high-performance hardware to capitalize on the burgeoning demand for connectivity in during the late dot-com expansion. By the early 2000s, Hetzner had begun constructing its own data centers, including facilities in and Falkenstein, , to support growing operations and ensure control over energy-efficient infrastructure amid increasing server hosting needs. Throughout the 2000s, the firm expanded its client base within Germany and by prioritizing reliable, custom-built server systems, which laid the groundwork for its reputation as a key player in the regional hosting market without relying on external venture funding.

Growth and Service Diversification ()

During the , Hetzner Online significantly expanded its physical infrastructure to support growing demand for dedicated hosting services. The company continued development of its Park Falkenstein, which had initially opened in 2009, adding multiple units throughout the decade to increase capacity, ultimately providing over 100,000 square meters of buildable space for server operations. In 2012, Hetzner established operations at its data center park, enhancing redundancy and proximity to key European internet exchanges with multi-redundant network connections exceeding 100 Gbit/s. These expansions allowed Hetzner to scale its dedicated server offerings, maintaining low-cost pricing through in-house hardware assembly and efficient operations. By the mid-2010s, Hetzner began diversifying beyond traditional dedicated servers and colocation. In 2018, the company launched its Helsinki data center park in , marking its first major facility outside Germany and targeting Nordic markets with low-latency access for European customers; the initial unit went online in spring 2018, offering and colocation services across 2,000 square meters. This move supported geographic diversification and improved service reliability through distributed infrastructure. A key milestone in service diversification came in 2018 with the introduction of Hetzner Cloud, a virtual private server (VPS) and cloud computing platform that complemented its dedicated offerings. Priced competitively starting at around €2.49 per month for basic instances, the cloud service enabled scalable, on-demand resources with features like fast provisioning and high bandwidth allowances, attracting developers and small businesses seeking alternatives to pricier providers. This expansion broadened Hetzner's portfolio to include virtualized infrastructure, fostering growth in customer base while leveraging existing data center assets for cost efficiency.

Recent Expansions and Partnerships (2020s)

In 2020, Hetzner expanded its data center campus in , , by commissioning a new facility at the end of the year, increasing the site's total capacity to 6 MW. This addition supported growing demand for low-latency hosting in , leveraging 's cool climate for energy-efficient cooling. By mid-2021, Hetzner continued Finnish infrastructure growth with two additional data centers under construction at the site, one entering operation in July to further enhance regional redundancy and capacity. In November 2021, the company entered the North American market for the first time outside Europe, launching Hetzner Cloud services from a colocation facility in , with subsequent availability in ; dedicated colocation services were not initially offered in these locations. On August 6, 2024, Hetzner extended its cloud offerings to by adding a location, enabling lower-latency access for customers in that region. In March 2025, Hetzner partnered with to modernize its European data center and core network infrastructure, beginning with sites in and ; the collaboration deploys Nokia 7750 SR-1x routers supporting 400G and 800G interconnectivity, along with automation tools like gNMI-based telemetry, to improve scalability, energy efficiency, and operational reliability.

Services and Products

Dedicated Servers and Hosting

Hetzner provides dedicated root servers, granting customers exclusive physical hardware access for high-performance hosting needs, with configurations optimized for compute-intensive tasks, storage, or GPU workloads. Available models include the AX-Line ( processors, starting at €37.30 monthly), EX-Line ( , from €39.00), and GPU-Line ( GPUs, from €184.00), supporting scalable RAM from 64 GB to over 1 TB and NVMe/SSD storage options up to multiple terabytes. These servers emphasize cost-efficiency through the Server Auction system, where decommissioned hardware is offered at reduced rates, often 50-70% below standard pricing, enabling rapid deployment for testing or production environments. Management occurs via the web interface, which facilitates automated provisioning, hardware upgrades, and networking features like vSwitch for VLAN-based interconnections across locations without additional costs. Full root access, 24-hour hardware resets, for remote powering, and a KVM console providing remote KVM-over-IP access for hardware-level control—including keyboard, video, mouse, BIOS, and bootloader—are standard, useful for troubleshooting non-booting servers or mounting ISO images via virtual media, though with time limitations and accessed via the Robot panel; the rescue system is preferred for OS reinstallation, alongside DDoS protection and addressing. Deployment locations are limited to European data centers in and Falkenstein (Germany) and (Finland), leveraging 100 Gbit/s uplinks and with major carriers for sub-10 ms latencies within the region; no dedicated servers are available in as of 2025, though cloud alternatives exist there. All facilities operate on and comply with GDPR and ISO 27001 standards, prioritizing for EU-based operations. In addition to bare-metal dedicated servers, Hetzner offers managed web hosting packages suitable for smaller-scale dedicated-like isolation, with plans updated on October 9, 2025, providing up to 300 GB SSD storage, 50 databases, unlimited mailboxes, and 20 jobs per account, starting from entry-level tiers with €4.90 setup fees. These complement dedicated offerings by handling lighter hosting demands without full server administration.

Cloud Computing and Storage

Hetzner provides through its Hetzner Cloud platform, offering virtual private servers (VPS) with flexible, hourly-billed instances. Previously, smaller configurations included the deprecated CX11 (1 shared vCPU, 2 GB RAM, 20 GB SSD storage, 20 TB traffic per month), which is no longer available for new orders and has been replaced by newer shared vCPU plans such as CX22 (2 vCPUs, 4 GB RAM, 40 GB NVMe SSD); current scalable options start from configurations like the CX23 (2 vCPUs, 4 GB RAM, 40 GB NVMe SSD, 20 TB traffic in EU) at €3.49 per month to larger dedicated CPU options such as the CCX63 (48 vCPUs, 192 GB RAM) at €288.49 per month, with other plans including CAX11 (ARM, 2 vCPU, 4 GB RAM) at €3.79/month and CX33 (4 vCPUs, 8 GB RAM) at €5.49/month. Prices vary by location, being cheaper in the EU (Germany/Finland), with dedicated vCPU options higher; additional traffic costs €1/TB in EU/US, and billing includes monthly caps. These instances utilize , , or processors, NVMe SSD storage in RAID10 arrays, and 10 Gbit/s networking, with included features like DDoS protection, firewall rules, and access for automation. Snapshots enable point-in-time backups at €0.011 per GB per month, supporting up to seven automated backups priced at 20% of the instance cost. For block storage, Hetzner Cloud Volumes provide attachable SSD-based storage up to 10 TB per , with a maximum of 16 volumes per server instance, featuring triple replication across physical servers for . Priced at €0.044 per GB per month and billed hourly, volumes integrate directly with cloud servers for applications requiring high-performance, expandable persistence, such as databases or file systems. Data centers supporting these services are located in and Falkenstein (Germany), (Finland), Ashburn and Hillsboro (), and , ensuring low-latency options across , , and while maintaining GDPR compliance in European facilities. Hetzner , launched on December 3, 2024, offers S3-compatible unstructured data storage via , with up to 100 buckets per account, each handling up to 100 TB and 50 million objects. A base fee of €4.99 per month includes 1 TB of storage and 1 TB of egress traffic, with additional storage at €4.99 per TB per month and egress at €1.00 per TB; ingress and internal traffic incur no charges. Stored in Ceph clusters with object versioning, locking, and server-side encryption, it emphasizes durability for backups, analytics, and archiving, powered by green energy and available initially in Falkenstein, , and .

Additional Offerings

Hetzner provides a range of supplementary services to complement its core dedicated server and cloud offerings, including web hosting, storage solutions, domain management, and hardware auctions. These services emphasize affordability, GDPR compliance, and operation on 100% green energy. In October 2025, Hetzner introduced new web hosting packages (S to XL plans) tailored for websites, , and , featuring modern technologies like high-performance SSD storage, unlimited traffic, and flexible starting at €1.60 per month. Storage options include Storage Box for accessible via web, apps, or APIs, with capacities from 100 GB to 10 TB and prices starting at €3.20 monthly, and Storage Share, a managed instance for collaborative compliant with data protection standards. Both integrate seamlessly with Hetzner's infrastructure for backups and . Managed server services handle technical administration, including OS installation, updates, and monitoring, starting at €34 monthly, appealing to users lacking in-house expertise. Domain-related services encompass registration via the Registration Robot (from €3.28 annually), DNS console (free), domain checks (€4.90), and SSL certificates (from €32). Colocation allows customers to host their own hardware in Hetzner's data centers, with rack space starting at €100 monthly, providing access to enterprise-grade power, cooling, and connectivity. Custom solutions offer tailored IT setups for businesses, including bespoke server configurations. The Server Auction platform sells refurbished or surplus hardware, such as standardized and custom servers, with bids starting as low as €28, enabling cost-effective access to tested equipment formerly used in Hetzner's operations. Additional utilities like load balancers (from €5.39) support traffic distribution across instances. These offerings position Hetzner as a versatile provider for small to medium enterprises seeking integrated, low-cost alternatives to hyperscale competitors.

Infrastructure

Data Center Facilities

Hetzner Online GmbH owns and operates three primary data center parks in Europe, situated in and Falkenstein, Germany, and , , which form the core of its infrastructure for hosting dedicated servers, services, and colocation. These parks collectively support hundreds of thousands of servers, with redundant power systems including uninterruptible power supplies and diesel generators capable of 2.5 MVA output. The facilities emphasize high-density server hosting in climate-controlled halls, with (NBG1) comprising six buildings, Falkenstein (FSN1) featuring 21 halls, and (HEL1) including 10 halls. The Data Center Park spans approximately 40,000 m² and has potential capacity for over 150,000 servers connected to the . Falkenstein, Hetzner's largest park, accommodates more than 250,000 servers across its extensive buildings, enabling scalable operations for high-volume dedicated hosting. In , the park, which began operations around 2018, expanded by late 2020 to exceed 6 MW of power capacity and support over 100,000 servers, with initial phases designed for up to 30,000 servers to meet growing demand in . To extend its reach beyond , Hetzner introduced services in the United States starting in 2021 with a facility in , followed by in 2022; however, these utilize colocation or partnerships rather than company-owned parks. This expansion allows low-latency access for North American customers while maintaining core operations in owned European infrastructure.

Network Architecture and Connectivity

Hetzner Online GmbH maintains a robust network backbone characterized by multi-redundant dark fiber connections linking its parks to a central , ensuring even if individual links fail. The company operates under Autonomous System number AS24940, supporting extensive global routing with capacities including 9,590 GBit/s for public , 11,300 GBit/s for transit, and 25,160 GBit/s for private peerings as of recent reports. in and Falkenstein (), (), Ashburn and Hillsboro (), and facilitate this connectivity, with direct high-speed uplinks to major Internet exchange points (IXPs) such as in , AMS-IX in , FICIX in , LINX, France-IX, and others. Hetzner's peering strategy emphasizes settlement-free arrangements via public IXPs for volumes under 2 GBit/s (using a 95th / 5% model), while recommending private s for sustained exchanges exceeding 2 GBit/s, available at 10 GBit/s, multiple 10 GBit/s, or 100 GBit/s ports in locations including , Falkenstein, , and . For routes unreachable via , traffic routes through two leading transit providers, supplemented by partnerships with Tier 1 carriers such as GTT, NTT, , and Telia Carrier, plus Tier 2 provider Core-Backbone. In March 2025, Hetzner upgraded its core network in with , implementing a future-proof architecture capable of 400 Gbps and 800 Gbps interconnectivity to accommodate long-term traffic growth and automation. Internally, Hetzner's differentiates between dedicated and cloud servers within private networks. Dedicated servers connect via a Layer 2 vSwitch , enabling direct communication through physical switches where ARP resolves MAC addresses without additional routing hops. Cloud servers operate on Layer 3 routed via dedicated gateways (e.g., 10.0.0.1), with cross-subnet traffic between dedicated and cloud instances routing through vSwitch and cloud gateways sequentially. (MTU) settings differ, at 1500 bytes for public interfaces and 1450 bytes for private ones to account for encapsulation overhead. Redundancy permeates the design, with highly available routing infrastructure featuring multiple interconnected paths between data centers and external uplinks, powered by technology for high-speed . Server hosts in environments include redundant 10 Gbps connections shared among instances, while overall power and network systems incorporate N+2 cooling and mechanisms for IPs and subnets across servers. This setup supports geo-redundant configurations, allowing direct inter-server clustering even across data centers or cities.

Security and Reliability Measures

Hetzner employs measures at its data centers, including high-security perimeter fencing with anti-climbing and anti-tunneling protections surrounding the entire facility park. Ultra-modern cameras provide 24/7 monitoring of access routes, entrances, security doors, and server rooms. The company holds ISO/IEC 27001:2022 certification for across its operations, ensuring systematic risk assessment and controls for data protection. Additionally, Hetzner maintains PCI DSS compliance, an international standard for securing payment card data in its processing and storage environments. These certifications encompass technical and organizational measures to prevent unauthorized access, such as access controls, , and regular audits. Network-level protections include automated using Arbor and Juniper hardware with traffic scrubbing filters, which detect and block attack patterns proactively at no additional cost to customers. Hetzner also provides built-in firewalls for filtering traffic before it reaches servers, alongside options for customer-configured snapshots and backups to enhance . For reliability, Hetzner guarantees 99.9% uptime through redundant and power systems in its data centers. This applies to cloud and dedicated services, with mechanisms minimizing downtime from hardware or connectivity failures. Independent user reports and reviews corroborate , with rare outages typically resolved within hours.

Sustainability and Operational Efficiency

Energy and Environmental Practices

Hetzner sources 100% of its data center electricity from renewable energies, utilizing in its German facilities in and Falkenstein, and at the Helsinki site. This approach aligns with the company's stated commitment to green electricity, though it has not achieved full climate neutrality due to ongoing emissions from hardware production and logistics. Energy efficiency is prioritized through an average (PUE) of 1.13, facilitated by modular data center architecture, extended server lifecycles exceeding industry norms, and air-based cooling systems that rely on for up to 92% of operations, eschewing water cooling to conserve resources. recovery is implemented where feasible, further reducing environmental impact by repurposing thermal output for potential or other uses. In March 2025, Hetzner launched HT Clean Energy GmbH in collaboration with MHB Montage to develop photovoltaic solar parks, with the initial 6.5 MW installation spanning seven hectares in Nassau-Weikersheim, Germany. The venture aims to provide self-generated solar power and battery storage to meet escalating data center demands while enhancing energy independence and reducing reliance on external grids. Long-term objectives include fully powering Hetzner's operations with proprietary renewables, building on existing hydropower and wind integrations.

Cost-Effectiveness and Scalability Features

Hetzner maintains cost-effectiveness primarily through its transparent, fixed pricing model without hidden fees or long-term contracts, enabling hourly billing that allows users to pay only for utilized resources. For instances, shared-vCPU plans start at €3.49 per month for cost-optimized configurations, while dedicated CPU options begin at €12.49 per month, with volumes priced at €0.044 per GB monthly. Dedicated servers offer entry-level models like the AX41-NVMe from €37.30 per month, featuring processors and optional storage expansions without setup fees on select plans. This structure contrasts with major hyperscalers, where equivalent instances can cost 4 to 10 times more due to variable usage-based surcharges, as noted in infrastructure comparisons for similar workloads. Hetzner's approach leverages in-house hardware optimization and efficient to deliver high performance at lower rates, with traffic allowances up to 20 TB included in European regions before additional €1 per TB charges. Scalability features in Hetzner's cloud platform support horizontal growth via load balancers that distribute incoming traffic across multiple instances, facilitating high-availability setups for business-critical applications. Users can attach scalable block storage volumes up to 10 TB each, with a maximum of 16 volumes per server, allowing dynamic expansion of storage without . The API-driven console enables rapid provisioning and management of instances across data centers in , , the , and , supporting deployments of hundreds to thousands of servers through automated scripting, as demonstrated in large-scale user operations. For dedicated servers, scalability involves hardware-level upgrades, such as adding NVMe or drives to models like the EX44, which supports up to two optional drives for increased capacity. These features enhance operational efficiency by combining low-cost entry points with flexible scaling, reducing the for growing workloads; for instance, the absence of minimum commitments in services permits on-demand adjustments, avoiding overprovisioning penalties common in competitors. Backups, priced at 20% of the instance cost, and snapshots at €0.011 per GB, further promote cost-controlled without premium add-ons. Overall, Hetzner's emphasis on straightforward, performance-optimized positions it as a viable option for cost-sensitive users requiring scalable compute and storage, particularly in where latency advantages amplify value.

Business Performance and Reception

Market Position and Achievements

Hetzner Online GmbH maintains a prominent position in the European web hosting and cloud infrastructure market, particularly in dedicated servers and cloud services, where it is recognized for offering high-performance solutions at competitive prices. As of August 2025, Hetzner powers approximately 2.6% of all monitored websites globally, according to usage statistics from W3Techs, positioning it as a significant player among over 1,200 web hosting providers. In Europe, it ranks as a top provider for value-driven dedicated server hosting, emphasizing reliability and cost-efficiency without U.S.-based operations, which distinguishes it from broader international competitors. The company's annual revenue reached €447 million as of August 2025, reflecting sustained growth driven by demand for scalable infrastructure in data-intensive applications. Hetzner has garnered multiple accolades for its service quality and innovation, particularly in cloud and server categories at the annual Service Provider Awards. In 2025, it received in the newly introduced "Superscaler" category, highlighting its capabilities in large-scale deployments. The prior year, 2024, saw Hetzner secure in the " Server" category for the fifth consecutive year, alongside Silver in "," underscoring consistent excellence in performance and infrastructure. Earlier, in 2023, it earned Platinum in " Server" for the fourth straight win, affirming its leadership in reader-voted assessments by industry professionals. Additionally, Hetzner has been named among Bavaria's Best 50 companies for continuous growth on four occasions, recognizing its economic contributions and expansion within Germany's hosting sector. These achievements stem from strategic investments in and customer-centric expansions, enabling Hetzner to capture market segments prioritizing efficiency over premium branding.

Customer Experiences and Criticisms

Customers have reported generally positive experiences with Hetzner's affordability and server performance, often highlighting the cost-effectiveness of dedicated servers and instances starting at prices as low as €3.49 per month for entry-level VPS options. Users frequently note high reliability in hardware and network stability, with some long-term customers experiencing zero over periods of two years or more on dedicated hosting plans. Performance benchmarks indicate strong results in CPU, disk I/O, and bandwidth tests, making it suitable for budget-conscious developers and small businesses deploying applications like sites. Criticisms commonly center on , which operates primarily through a ticket with response times that can extend to several days, leading to among users expecting faster resolutions. Reviews on platforms like and HostAdvice describe support as unresponsive or unhelpful in complex issues, such as domain transfers or billing disputes, with an overall rating averaging 3.4 out of 5 from over 2,400 submissions as of September 2025. Some accounts report rude interactions or unresolved problems, particularly for non-German-speaking customers, though Hetzner maintains availability 24/7 via tickets alongside limited phone hours from Monday to Friday, 8 a.m. to 6 p.m. CEST. Reliability concerns include sporadic outages, such as a 14-minute incident in testing that resulted in 99.93% uptime, and more recent issues with storage boxes affecting multiple users in the past 12 months as of early 2025. Hetzner does not offer a formal uptime , which exacerbates complaints during disruptions, though aggregate user feedback suggests overall stability for self-managed setups. Account security incidents, including phishing-related hacks, have also been reported, prompting users to migrate from competitors like AWS while advising caution on credential management. These experiences reflect Hetzner's focus on low-cost, no-frills , appealing to technically proficient users but less so to those requiring hand-holding or premium service levels.

Security Incidents

In June 2013, Hetzner Online detected creating a backdoor in its internal monitoring system, which compromised the administration interface for dedicated root servers known as . Attackers accessed and externally copied fragments of the client database, though data—limited to last three digits, type, and expiration date—was deemed uncompromised. The company launched an investigation with external security experts, advised all customers to change passwords immediately, and worked to identify and patch vulnerabilities. In April 2022, multiple simultaneous disk failures in a data center cluster exceeded the system's redundancy design, which relied on triple disk replication to tolerate up to two failures. This resulted in the irreversible loss of approximately 1,500 cloud snapshots belonging to a small number of customers. Hetzner notified affected users and provided €20 in cloud credits as compensation, valid for one year, while emphasizing that the incident stemmed from rare hardware coincidence rather than external attack. Hetzner has faced no publicly confirmed major external breaches since 2013, though customer reports highlight vulnerabilities such as lack of notifications from unfamiliar IPs, potentially enabling unauthorized access without two-factor alerts. The company maintains status pages documenting campaigns targeting users with fake pages to steal credentials and payment details, but these originate externally rather than from internal compromises.

Content Moderation and User Restrictions

Hetzner Online GmbH enforces through its Terms and Conditions, prohibiting customers from publishing material that infringes third-party rights or violates applicable laws, with specific bans on pornographic or obscene content, extremist content, material offending common decency, gambling-related offerings, content endangering minors' morals, defamatory statements, insults, or disparagement. The company also restricts cryptocurrency mining activities, including mining, farming, and plotting, across all services. For web hosting specifically, users face limits such as a maximum of 500 outgoing emails per hour and prohibitions on mass mailings, newsletters via email, or unsolicited advertising, with immediate account blocking for non-compliance. Under the European Union's (DSA), Hetzner processes reports of illegal content via its abuse form, notifying affected customers and requiring prompt removal or explanation; failure to respond may result in IP locking after manual review, with unlocks requested through the customer portal. The firm reserves the right to suspend or terminate access to services or entire accounts without prior notice for violations, including those impairing , such as DDoS attacks or open mail relays, or any contravention of general terms and system policies aimed at protecting and other users. User restrictions extend to operational prohibitions like installing root-requiring software on shared hosting or using servers for activities compromising network integrity, enforced strictly to maintain service quality. Controversies have arisen over abrupt account terminations without detailed explanations, as reported by users on platforms like Hacker News and LowEndTalk, including the December 2024 cancellation of Kiwix's servers—hosting offline Wikipedia mirrors—despite no prior warnings or identified violations, prompting debates on transparency and overreach. Such actions, often linked to suspected abuse, high traffic, or TOS breaches like proxies or evasion tools, have led to complaints of aggressive filtering, though Hetzner attributes them to fraud prevention and compliance needs. Hetzner's zero-tolerance stance on spam and adult content has also drawn criticism for swift interventions based on reports, potentially affecting legitimate users amid unverified claims. Hetzner Online has not faced major regulatory fines or enforcement actions from bodies such as the or national authorities for GDPR violations, based on available . The company maintains compliance through certifications including DIN ISO/IEC 27001:2022 for systems, which encompasses data protection controls. Employees handling are contractually bound to adhere to GDPR requirements, and Hetzner processes customer instructions only if they align with applicable laws, notifying clients of any conflicting directives. Under the (DSA), effective from 2024, Hetzner acts as an intermediary service provider by implementing notice-and-action mechanisms for illegal content, suspending access to reported unauthorized third-party material upon verified knowledge of violations, in line with liability exemptions for hosting providers. This includes responses to takedown requests for , , or other unlawful activities, often resulting in IP blocks or service terminations without prior customer notification if urgency demands it, as stipulated in their system policies. In July 2017, Hetzner terminated hosting for a website linked to the Gupta family following a formal takedown notice under South Africa's Films and Publications Act, which mandates removal of allegedly unlawful content by internet service providers. Similarly, in July 2024, Hetzner suspended multiple accounts associated with the Russian state-backed Doppelgänger disinformation network after an investigative report identified them as hosting fake news sites mimicking legitimate outlets to spread propaganda. These actions reflect Hetzner's policy of cooperating with law enforcement and judicial orders, including instances where German courts have seized customer server drives for criminal probes, such as a 2017 confiscation by the Amtsgericht Bamberg, though details remain sealed under legal confidentiality. Customer disputes have occasionally arisen from such terminations, with some alleging wrongful suspension without adequate explanation, but these typically resolve through Hetzner's internal processes or contractual rather than public litigation. Hetzner's data processing agreements allow it to initiate legal proceedings against customers for breaches like unpaid chargebacks or policy violations at the client's business location. No large-scale class actions or international regulatory probes against the company have been documented in records or official announcements.

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