1,113 last week
19,810 last month
1,737,564 active domains
1,567,827 domains with DNS records
Domains from 148 countries
1,698,968 domains with RDAP and WHOIS records
Includes 170,382 unique IPs hosting active domains
A metric that estimates network influence and trust, based on the link structure of domains using .io TLD
The average PageRank score reflecting the SEO authority of websites with the .io TLD
| TLD | Domain | TLD suffix | Country | IP address | Technologies | PR value | Harmonic value | Detected hosts count | DNS last data checked | DNS Status | DNS records | RDAP/WHOIS last data checked | RDAP/WHOIS method | Domain creation date | Domain expiration date | Domain last changed | Registrar | RDAP/WHOIS Record |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| io | github.io | io | United States (US) | 185.199.108.153 | ["Varnish Cache"] | 0.00044306599 | 20,535,210.00 | 2026/05/23 | 1 | {"A": ["185.199.108.153", "185.199.10... | 2025/07/04 | WHOIS | 2013/03/08 | 2027/03/08 | 2025/02/09 | MarkMonitor Inc. | {"raw_response": ... | |
| io | trustindex.io | io | United States (US) | 18.239.50.120 | ["Google Tag Manager", "Amazon CloudF... | 0.00011928039 | 18,086,058.00 | 2026/05/22 | 1 | {"A": ["18.239.50.120", "18.239.50.12... | 2025/07/06 | WHOIS | 2017/07/28 | 2028/07/28 | 2024/07/04 | NameCheap, Inc. | {"raw_response": ... | |
| io | readthedocs.io | io | United States (US) | 104.16.253.120 | ["Cloudflare"] | 0.00009044290 | 19,720,750.00 | 2026/05/19 | 1 | {"A": ["104.16.253.120", "104.16.254.... | 2025/07/10 | WHOIS | 2014/06/14 | 2028/06/14 | 2025/06/28 | Cloudflare, Inc | {"raw_response": ... | |
| io | updown.io | io | Germany (DE) | 178.63.21.176 | ["NGINX"] | 0.00007610638 | 15,098,127.00 | 2026/05/20 | 1 | {"A": ["178.63.21.176"], "MX": [{"hos... | 2025/07/07 | WHOIS | 2012/07/16 | 2030/07/16 | 2023/01/21 | OVH SAS | {"raw_response": ... | |
| io | statuspage.io | io | United States (US) | 104.192.142.21 | ["Envoy Proxy", "Amazon CloudFront", ... | 0.00007417438 | 18,430,662.00 | 2026/05/25 | 1 | {"A": ["104.192.142.21", "104.192.142... | 2025/08/15 | WHOIS | 2012/10/04 | 2026/10/04 | 2024/09/07 | MarkMonitor Inc. | {"raw_response": ... | |
| io | sanity.io | io | United States (US) | 35.186.225.23 | ["Google Tag Manager", "NGINX", "Verc... | 0.00004951900 | 19,224,096.00 | 2026/05/20 | 1 | {"A": ["35.186.225.23"], "MX": [{"hos... | 2025/07/14 | WHOIS | 2015/01/07 | 2027/01/07 | 2022/11/12 | NameCheap, Inc. | {"raw_response": ... | |
| io | termly.io | io | United States (US) | 104.18.30.234 | ["Google Tag Manager", "Cloudflare"] | 0.00004188225 | 19,165,758.00 | 2026/05/29 | 1 | {"A": ["104.18.30.234", "104.18.31.23... | 2025/08/17 | WHOIS | 2016/07/26 | 2026/07/26 | 2024/03/17 | One.com A/S | {"raw_response": ... | |
| io | complianz.io | io | United States (US) | 104.21.70.194 | ["Google Tag Manager", "WordPress", "... | 0.00004103283 | 17,655,412.00 | 2026/05/28 | 1 | {"A": ["104.21.70.194", "172.67.138.2... | 2026/05/06 | WHOIS | 2018/04/27 | 2027/04/27 | 2026/04/27 | Key-Systems GmbH | {"raw_response": ... | |
| io | globalping.io | io | United States (US) | 104.21.53.224 | ["Mailchimp", "Cloudflare"] | 0.00003763995 | 14,310,693.00 | 2026/05/22 | 1 | {"A": ["104.21.53.224", "172.67.219.9... | 2026/03/11 | WHOIS | 2022/03/06 | 2027/03/06 | 2026/02/04 | Amazon Registrar, Inc. | {"raw_response": ... | |
| io | xhmikosr.io | io | United States (US) | 188.114.96.3 | ["Cloudflare"] | 0.00003679349 | 13,708,133.00 | 2026/05/24 | 1 | {"A": ["188.114.96.3", "188.114.97.3"... | 2025/08/12 | WHOIS | 2016/01/08 | 2031/01/08 | 2024/12/20 | Gandi SAS | {"raw_response": ... | |
| io | codepen.io | io | United States (US) | 104.16.147.32 | ["Cloudflare"] | 0.00003573503 | 18,769,122.00 | 2026/05/23 | 1 | {"A": ["104.16.147.32", "104.16.163.3... | 2025/07/14 | WHOIS | 2012/02/26 | 2028/02/26 | 2024/11/18 | Gandi SAS | {"raw_response": ... | |
| io | adobe.io | io | United States (US) | 107.22.247.231 | ["Varnish Cache", "OpenResty"] | 0.00003469999 | 15,816,165.00 | 2026/05/25 | 1 | {"A": ["107.22.247.231", "18.207.85.2... | 2026/03/11 | WHOIS | 2012/03/12 | 2027/03/12 | 2026/02/15 | Nom-iq Ltd. dba COM LAUDE | {"raw_response": ... | |
| io | devowl.io | io | United States (US) | 104.26.8.60 | ["WordPress", "Cloudflare"] | 0.00003101403 | 17,565,874.00 | 2026/05/22 | 1 | {"A": ["104.26.8.60", "104.26.9.60", ... | 2025/07/07 | WHOIS | 2019/10/31 | 2026/10/31 | 2024/12/16 | 1API GmbH | {"raw_response": ... | |
| io | webflow.io | io | United States (US) | 100.49.233.215 | ["Google Analytics"] | 0.00003043951 | 18,707,256.00 | 2026/05/30 | 1 | {"A": ["100.49.233.215", "34.203.110.... | 2025/08/29 | WHOIS | 2013/05/08 | 2028/05/08 | 2024/12/12 | MarkMonitor Inc. | {"raw_response": ... | |
| io | shields.io | io | United States (US) | 104.21.80.27 | ["Cloudflare"] | 0.00003028022 | 18,184,670.00 | 2026/05/22 | 1 | {"A": ["104.21.80.27", "172.67.173.89... | 2026/03/12 | WHOIS | 2013/02/18 | 2027/02/18 | 2026/02/18 | 1API GmbH | {"raw_response": ... | |
| io | branch.io | io | United States (US) | 3.174.46.14 | ["Amazon CloudFront", "amazon", "Clou... | 0.00002976053 | 18,093,808.00 | 2026/05/19 | 1 | {"A": ["3.174.46.14", "3.174.46.40", ... | 2025/07/24 | WHOIS | 2011/11/10 | 2026/11/10 | 2024/11/15 | Gandi SAS | {"raw_response": ... | |
| io | kniebes.io | io | Germany (DE) | 85.13.147.216 | ["Apache HTTP Server"] | 0.00002901573 | 11,353,585.00 | 2026/05/27 | 1 | {"A": ["85.13.147.216"], "MX": [{"hos... | 2025/09/09 | WHOIS | 2021/08/28 | 2026/08/28 | 2025/08/28 | Key-Systems GmbH | {"raw_response": ... | |
| io | builder.io | io | United States (US) | 151.101.1.195 | ["Google Tag Manager", "Amazon CloudF... | 0.00002587619 | 18,053,242.00 | 2026/05/23 | 1 | {"A": ["151.101.1.195", "151.101.65.1... | 2026/05/10 | WHOIS | 2013/05/19 | 2027/05/19 | 2026/04/24 | NameCheap, Inc. | {"raw_response": ... | |
| io | sentry.io | io | United States (US) | 35.186.247.156 | ["Envoy Proxy", "Zend Framework", "NG... | 0.00002580566 | 18,478,938.00 | 2026/05/29 | 1 | {"A": ["35.186.247.156"], "MX": [{"ho... | 2026/03/11 | WHOIS | 2012/04/07 | 2027/04/07 | 2026/03/07 | Gandi SAS | {"raw_response": ... | |
| io | borlabs.io | io | Germany (DE) | 88.99.4.30 | ["Google Tag Manager", "xt:Commerce",... | 0.00002476256 | 17,387,814.00 | 2026/05/19 | 1 | {"A": ["88.99.4.30"], "MX": [{"host":... | 2026/01/06 | WHOIS | 2015/12/30 | 2026/12/30 | 2025/12/30 | Key-Systems GmbH | {"raw_response": ... | |
| io | gohugo.io | io | Germany (DE) | 35.157.26.135 | ["Google Tag Manager"] | 0.00002324931 | 18,207,364.00 | 2026/05/28 | 1 | {"A": ["35.157.26.135", "63.176.8.218... | 2025/09/12 | WHOIS | 2014/09/17 | 2026/09/17 | 2025/08/23 | Cloudflare, Inc | {"raw_response": ... | |
| io | formspree.io | io | United States (US) | 172.66.40.119 | ["Google Tag Manager", "Cloudflare"] | 0.00002193100 | 15,686,250.00 | 2026/05/22 | 1 | {"A": ["172.66.40.119", "172.66.43.13... | 2025/11/08 | WHOIS | 2014/12/07 | 2026/12/07 | 2025/11/07 | Cloudflare, Inc | {"raw_response": ... | |
| io | nitropack.io | io | United States (US) | 104.18.32.52 | ["Cloudflare"] | 0.00002187456 | 15,758,892.00 | 2026/05/29 | 1 | {"A": ["104.18.32.52", "172.64.155.20... | 2025/07/08 | WHOIS | 2018/07/11 | 2026/07/11 | 2025/06/11 | Gandi SAS | {"raw_response": ... | |
| io | redis.io | io | United States (US) | 104.18.25.196 | ["Google Tag Manager", "Vercel", "Clo... | 0.00002140260 | 18,905,622.00 | 2026/05/21 | 1 | {"A": ["104.18.25.196"], "MX": [{"hos... | 2026/05/19 | WHOIS | 2010/05/28 | 2027/05/28 | 2026/05/09 | Name.com, Inc. | {"raw_response": ... | |
| io | kubernetes.io | io | United States (US) | 15.197.167.90 | ["Google Tag Manager"] | 0.00002130238 | 18,953,322.00 | 2026/05/19 | 1 | {"A": ["15.197.167.90", "3.33.186.135... | 2025/09/08 | WHOIS | 2014/07/23 | 2026/07/23 | 2025/09/06 | 1API GmbH | {"raw_response": ... |
The largest database of live domains and detailed information about them, designed to boost your digital strategies.
| Technology | Count Domain | Percentage of Technology |
|---|---|---|
| Cloudflare | 94,806 | 18.63 |
| Google Tag Manager | 78,689 | 15.47 |
| NGINX | 48,875 | 9.61 |
| WordPress | 40,081 | 7.88 |
| Apache HTTP Server | 34,828 | 6.85 |
| PHP | 30,204 | 5.94 |
| OpenResty | 30,199 | 5.94 |
| Google Analytics | 19,146 | 3.76 |
| Amazon CloudFront | 12,277 | 2.41 |
| Vercel | 11,441 | 2.25 |
| Google reCAPTCHA | 9,706 | 1.91 |
| LiteSpeed Web Server | 9,605 | 1.89 |
| 9,150 | 1.80 | |
| Gravatar | 8,008 | 1.57 |
| amazon | 6,827 | 1.34 |
| Squarespace | 6,245 | 1.23 |
| AdBlock | 5,724 | 1.13 |
| Wix | 4,908 | 0.96 |
| Varnish Cache | 4,626 | 0.91 |
| Laravel | 4,258 | 0.84 |
| Pepyaka | 4,177 | 0.82 |
| Google AdSense | 4,095 | 0.80 |
| WooCommerce | 3,235 | 0.64 |
| Plesk | 2,789 | 0.55 |
| Nuxt.js | 2,670 | 0.52 |
| ASP.NET | 2,665 | 0.52 |
| Envoy Proxy | 2,399 | 0.47 |
| Microsoft IIS | 2,074 | 0.41 |
| Mailchimp | 1,800 | 0.35 |
| Shopify | 1,532 | 0.30 |
| New Relic | 1,462 | 0.29 |
| Stripe | 1,454 | 0.29 |
| [] | 1,166 | 0.23 |
| Authorize.Net | 997 | 0.20 |
| Akamai | 774 | 0.15 |
| kestrel | 706 | 0.14 |
| adyen | 659 | 0.13 |
| Drupal | 498 | 0.10 |
| LiveChat | 451 | 0.09 |
| Optimizely | 417 | 0.08 |
| Tilda | 406 | 0.08 |
| Sucuri | 308 | 0.06 |
| Odoo | 297 | 0.06 |
| Zend Framework | 255 | 0.05 |
| Joomla | 247 | 0.05 |
| Piwik (Matomo) | 241 | 0.05 |
| PayPal | 233 | 0.05 |
| TYPO3 | 201 | 0.04 |
| Yandex Metrica | 192 | 0.04 |
| Weebly | 188 | 0.04 |
| Zendesk | 79 | 0.02 |
| Bitrix CMS | 71 | 0.01 |
| BigCommerce | 67 | 0.01 |
| Lighttpd | 64 | 0.01 |
| Magento | 45 | 0.01 |
| phpBB | 40 | 0.01 |
| xenforo | 22 | 0.00 |
| nopCommerce | 21 | 0.00 |
| PrestaShop | 21 | 0.00 |
| astro | 20 | 0.00 |
| CakePHP | 18 | 0.00 |
| Jimdo | 18 | 0.00 |
| Sitefinity | 15 | 0.00 |
| moodle | 13 | 0.00 |
| DokuWiki | 12 | 0.00 |
| OpenCart | 11 | 0.00 |
| Square | 9 | 0.00 |
| Cornerstone OnDemand | 8 | 0.00 |
| svelte | 8 | 0.00 |
| DLE | 4 | 0.00 |
| xt:Commerce | 4 | 0.00 |
| STRATO SmartWebsite | 3 | 0.00 |
| JTL-Shop | 3 | 0.00 |
| Zen Cart | 3 | 0.00 |
| remix | 2 | 0.00 |
| vBulletin | 2 | 0.00 |
| Backdrop CMS | 1 | 0.00 |
| Orchard CMS | 1 | 0.00 |
The .io top-level domain is a country-code TLD repurposed for global use. In practice, .io domains function as neutral, location-agnostic identifiers, often chosen by technology firms because the string echoes input/output in computing. We monitor adoption across sectors and geographies, mapping .io websites by activity, hosting, and DNS signals. Our index shows active registrations and live .io websites distributed across countries, reflecting sustained international usage beyond the territory of origin. We also track configuration quality, resilience indicators, and churn to support risk and market analyses. This makes .io domains observable at scale through comparable metrics, not anecdotes. Download webatla’s .io domain datasets to explore the namespace.
Originally delegated as the country-code for the British Indian Ocean Territory, the .io TLD has evolved into a broadly adopted namespace for startups, developer tooling, and data-focused services. Key characteristics include a short, memorable label, wide registrar availability, and security features typical of modern ccTLDs. In our measurements, operational adoption is high: .io domains publish DNS records, and a substantial share resolve to .io websites with consistent uptime and diverse hosting footprints. We analyze lifecycle trends, nameserver concentration, and reuse patterns to understand stability and risk. Growth remains steady without sharp spikes typical of speculative cycles, indicating durable utility across markets. Download historical and current .io domain datasets from webatla.
Organizations choose the .io domain for technical associations, global neutrality, and availability of concise names. Typical adopters include venture-backed startups, SaaS vendors, open-source projects, gaming studios, and fintechs, though usage is now broader. We observe active demand signals in recent flows: new .io domains registered last week and entering the zone, with sustained conversion into .io websites across multiple hosting regions. Selection factors we quantify include lexical brevity, brandability, and cross-border compatibility, alongside DNS hygiene and TLS deployment rates. These profiles help investors, security teams, and marketers benchmark cohorts against adjacent namespaces. Download segmented .io domain datasets from webatla for competitive analysis.
The largest database of live domains and detailed information about them, designed to boost your digital strategies.
Yes, you can view examples to see the file format and the amount of information provided. You can download them on the Pricing page, under each package.
All files are provided in CSV format. If you need a different format (XML, JSON, SQL), please contact our support team.
You need to make a purchase on our website. Once the payment is complete, you will receive a download link for the files in your selected package.
We only offer package solutions. You can check out our packages and pricing on the Pricing page.
