10 last week
118 last month
18,407 active domains
11,067 domains with DNS records
Domains from 64 countries
18,404 domains with RDAP and WHOIS records
Includes 4,091 unique IPs hosting active domains
A metric that estimates network influence and trust, based on the link structure of domains using .ac TLD
The average PageRank score reflecting the SEO authority of websites with the .ac 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ac | pdf.ac | ac | United States (US) | 44.199.126.223 | ["NGINX"] | 0.00000436087 | 19,015,678.00 | 2026/04/08 | 1 | {"A": ["44.199.126.223", "52.55.5.158... | 2026/03/11 | WHOIS | 2015/02/23 | 2027/02/23 | 2026/02/14 | Instra Corporation Pty Ltd. | {"raw_response": ... | |
| ac | nic.ac | ac | United States (US) | 75.2.38.108 | ["NGINX"] | 0.00000198246 | 15,032,062.00 | 2026/04/07 | 1 | {"A": ["75.2.38.108", "99.83.155.228"... | 2025/07/05 | WHOIS | 2002/07/04 | 2027/05/01 | 2024/09/23 | Registry Operator acts as Registrar (... | {"raw_response": ... | |
| ac | ctt.ac | ac | United States (US) | 134.209.68.5 | ["NGINX", "Google Analytics", "PHP"] | 0.00000135845 | 15,507,712.00 | 2026/04/10 | 1 | {"A": ["134.209.68.5"], "NS": ["ns1.d... | 2025/07/09 | WHOIS | 2018/05/10 | 2026/05/10 | 2024/06/24 | 101domain GRS Limited | {"raw_response": ... | |
| ac | easy.ac | ac | United States (US) | 104.18.16.241 | ["Google Analytics", "Cloudflare"] | 0.00000041278 | 14,871,994.00 | 2026/04/11 | 1 | {"A": ["104.18.16.241", "104.18.17.24... | 2026/03/12 | WHOIS | 2014/02/27 | 2028/02/27 | 2026/01/31 | MarkMonitor Inc. | {"raw_response": ... | |
| ac | kie.ac | ac | United States (US) | 104.21.8.227 | ["Cloudflare"] | 0.00000039979 | 14,001,758.00 | 2026/04/14 | 1 | {"A": ["104.21.8.227", "172.67.158.22... | 2025/12/19 | WHOIS | 2024/12/16 | 2026/12/16 | 2025/12/14 | Spaceship, Inc. | {"raw_response": ... | |
| ac | pixelache.ac | ac | Germany (DE) | 139.162.182.244 | ["NGINX", "Google Analytics"] | 0.00000035380 | 14,888,151.00 | 2026/04/09 | 1 | {"A": ["139.162.182.244"], "MX": [{"h... | 2025/09/05 | WHOIS | 2002/04/28 | 2026/04/28 | 2025/01/12 | 101domain GRS Limited | {"raw_response": ... | |
| ac | foundry.ac | ac | United States (US) | 104.21.72.34 | ["Cloudflare"] | 0.00000027191 | 14,002,740.00 | 2026/04/07 | 1 | {"A": ["104.21.72.34", "172.67.174.10... | 2025/09/07 | WHOIS | 2022/08/13 | 2026/08/13 | 2025/07/19 | NameCheap, Inc. | {"raw_response": ... | |
| ac | isc.ac | ac | Iran (IR) | 5.190.58.7 | ["Google Tag Manager", "NGINX"] | 0.00000026191 | 14,745,906.00 | 2026/04/12 | 1 | {"A": ["5.190.58.7"], "NS": ["grass.p... | 2025/10/09 | WHOIS | 2020/11/07 | 2030/11/07 | 2025/10/07 | CSL Computer Service Langenbach GmbH ... | {"raw_response": ... | |
| ac | out.ac | ac | Germany (DE) | 213.239.227.38 | ["Google Tag Manager", "NGINX", "Goog... | 0.00000023649 | 14,587,276.00 | 2026/04/10 | 1 | {"A": ["213.239.227.38"], "MX": [{"ho... | 2026/01/14 | WHOIS | 2013/02/12 | 2026/02/12 | 2025/12/11 | united-domains GmbH | {"raw_response": ... | |
| ac | net88.ac | ac | United States (US) | 104.21.68.113 | ["WordPress", "Cloudflare"] | 0.00000020917 | 13,873,091.00 | 2026/04/06 | 1 | {"A": ["104.21.68.113", "172.67.195.5... | 2025/12/18 | WHOIS | 2023/12/11 | 2026/12/11 | 2025/11/23 | NameSilo, LLC | {"raw_response": ... | |
| ac | implant.ac | ac | Japan (JP) | 13.113.4.178 | ["Google Analytics"] | 0.00000015811 | 14,259,683.00 | 2026/04/14 | 1 | {"A": ["13.113.4.178"], "MX": [{"host... | 2025/07/12 | WHOIS | 2001/03/03 | 2028/03/03 | 2024/09/10 | GoDaddy.com, LLC | {"raw_response": ... | |
| ac | m.ac | ac | United States (US) | 151.101.131.52 | ["Microsoft IIS"] | 0.00000015803 | 17,412,288.00 | 2026/04/10 | 1 | {"A": ["151.101.131.52", "151.101.195... | 2025/08/30 | WHOIS | 1998/07/26 | 2028/04/30 | 2025/04/26 | xTom GmbH | {"raw_response": ... | |
| ac | 789bet.ac | ac | United States (US) | 188.114.96.3 | ["Google Tag Manager", "Gravatar", "W... | 0.00000014258 | 17,400,698.00 | 2026/04/07 | 1 | {"A": ["188.114.96.3", "188.114.97.3"... | 2025/10/22 | WHOIS | 2025/08/25 | 2026/08/25 | 2025/08/30 | NameCheap, Inc. | {"raw_response": ... | |
| ac | icont.ac | ac | United States (US) | 104.18.39.24 | ["Cloudflare"] | 0.00000011768 | 14,783,966.00 | 2026/04/05 | 1 | {"A": ["104.18.39.24", "172.64.148.23... | 2025/12/15 | WHOIS | 2010/12/09 | 2026/12/09 | 2025/12/03 | CSC Corporate Domains, Inc. | {"raw_response": ... | |
| ac | ally.ac | ac | United States (US) | 185.199.108.153 | ["Google Analytics"] | 0.00000011417 | 14,773,919.00 | 2026/04/06 | 1 | {"A": ["185.199.108.153", "185.199.10... | 2025/07/06 | WHOIS | 2015/12/23 | 2026/12/23 | 2024/11/16 | CSC Corporate Domains, Inc. | {"raw_response": ... | |
| ac | digitaluniversity.ac | ac | India (IN) | 203.5.199.85 | ["Google Analytics"] | 0.00000010969 | 14,841,154.00 | 2026/04/07 | 1 | {"A": ["203.5.199.85"], "NS": ["ns-10... | 2025/07/04 | WHOIS | 2003/07/31 | 2026/07/31 | 2021/05/04 | 101domain GRS Limited | {"raw_response": ... | |
| ac | 11bet.ac | ac | United States (US) | 104.21.81.157 | ["Cloudflare"] | 0.00000010966 | 17,466,968.00 | 2026/04/10 | 1 | {"A": ["104.21.81.157", "172.67.190.1... | 2025/07/07 | WHOIS | 2023/04/22 | 2026/04/22 | 2025/01/25 | NameCheap, Inc. | {"raw_response": ... | |
| ac | gogo.ac | ac | United States (US) | 104.18.20.87 | ["Cloudflare"] | 0.00000010341 | 12,448,539.00 | 2026/04/08 | 1 | {"A": ["104.18.20.87", "104.18.21.87"... | 2025/09/03 | WHOIS | 2025/08/13 | 2026/08/13 | 2025/08/18 | NameCheap, Inc. | {"raw_response": ... | |
| ac | tropmedres.ac | ac | United Kingdom (GB) | 52.56.123.235 | ["Apache HTTP Server"] | 0.00000009417 | 15,024,253.00 | 2026/04/12 | 1 | {"A": ["52.56.123.235"], "SOA": {"mna... | 2025/07/06 | WHOIS | 2003/01/23 | 2032/01/23 | 2024/01/30 | 101domain GRS Limited | {"raw_response": ... | |
| ac | configure.ac | ac | Singapore (SG) | 139.99.39.10 | ["NGINX"] | 0.00000009331 | 17,379,496.00 | 2026/04/09 | 1 | {"A": ["139.99.39.10"], "NS": ["ns1.l... | 2025/12/24 | WHOIS | 2006/12/20 | 2026/12/20 | 2025/12/20 | Key-Systems GmbH | {"raw_response": ... | |
| ac | synap.ac | ac | United States (US) | 52.222.136.118 | ["Amazon CloudFront"] | 0.00000008895 | 17,377,346.00 | 2026/04/08 | 1 | {"A": ["52.222.136.118", "52.222.136.... | 2026/03/12 | WHOIS | 2015/03/31 | 2027/03/31 | 2025/12/09 | 101domain GRS Limited | {"raw_response": ... | |
| ac | britneyspears.ac | ac | United States (US) | 192.185.16.85 | ["phpBB", "Google AdSense", "NGINX"] | 0.00000008751 | 14,740,834.00 | 2026/04/07 | 1 | {"A": ["192.185.16.85"], "MX": [{"hos... | 2025/12/27 | WHOIS | 2000/01/25 | 2026/01/25 | 2025/01/25 | NameSilo, LLC | {"raw_response": ... | |
| ac | oxfordcollege.ac | ac | United Kingdom (GB) | 35.214.58.42 | ["Google Analytics"] | 0.00000008300 | 14,557,411.00 | 2026/04/10 | 1 | {"A": ["35.214.58.42"], "MX": [{"host... | 2025/11/18 | WHOIS | 2004/11/09 | 2026/11/09 | 2025/11/10 | 101domain GRS Limited | {"raw_response": ... | |
| ac | ify.ac | ac | United States (US) | 104.21.23.148 | ["Laravel", "Vercel", "Cloudflare"] | 0.00000007565 | 17,401,158.00 | 2026/04/10 | 1 | {"A": ["104.21.23.148", "172.67.211.1... | 2025/08/29 | WHOIS | 2023/07/26 | 2027/07/26 | 2025/07/16 | NameSilo, LLC | {"raw_response": ... | |
| ac | wow.ac | ac | United States (US) | 198.202.211.1 | ["Google Tag Manager"] | 0.00000007354 | 14,845,133.00 | 2026/04/09 | 1 | {"A": ["198.202.211.1"], "MX": [{"hos... | 2025/07/09 | WHOIS | 2012/06/28 | 2033/06/28 | 2023/08/12 | 101domain GRS Limited | {"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 | 855 | 14.59 |
| PHP | 726 | 12.39 |
| Apache HTTP Server | 712 | 12.15 |
| Google Tag Manager | 633 | 10.80 |
| WordPress | 609 | 10.39 |
| NGINX | 582 | 9.93 |
| Google Analytics | 213 | 3.64 |
| LiteSpeed Web Server | 180 | 3.07 |
| OpenResty | 164 | 2.80 |
| Gravatar | 147 | 2.51 |
| AdBlock | 124 | 2.12 |
| [] | 113 | 1.93 |
| Google reCAPTCHA | 109 | 1.86 |
| 101 | 1.72 | |
| Plesk | 71 | 1.21 |
| Amazon CloudFront | 56 | 0.96 |
| ASP.NET | 54 | 0.92 |
| WooCommerce | 53 | 0.90 |
| Laravel | 50 | 0.85 |
| Microsoft IIS | 50 | 0.85 |
| Wix | 31 | 0.53 |
| Vercel | 26 | 0.44 |
| Google AdSense | 24 | 0.41 |
| Varnish Cache | 23 | 0.39 |
| Shopify | 16 | 0.27 |
| Envoy Proxy | 15 | 0.26 |
| Mailchimp | 15 | 0.26 |
| Nuxt.js | 15 | 0.26 |
| Akamai | 11 | 0.19 |
| LiveChat | 11 | 0.19 |
| Stripe | 10 | 0.17 |
| Joomla | 9 | 0.15 |
| Drupal | 8 | 0.14 |
| Squarespace | 6 | 0.10 |
| Weebly | 4 | 0.07 |
| Piwik (Matomo) | 4 | 0.07 |
| Sucuri | 4 | 0.07 |
| Jimdo | 3 | 0.05 |
| PrestaShop | 3 | 0.05 |
| TYPO3 | 3 | 0.05 |
| Lighttpd | 2 | 0.03 |
| Odoo | 2 | 0.03 |
| PayPal | 2 | 0.03 |
| Zend Framework | 2 | 0.03 |
| amazon | 1 | 0.02 |
| Optimizely | 1 | 0.02 |
| Authorize.Net | 1 | 0.02 |
| Bitrix CMS | 1 | 0.02 |
| CakePHP | 1 | 0.02 |
| Magento | 1 | 0.02 |
| phpBB | 1 | 0.02 |
| Yandex Metrica | 1 | 0.02 |
.ac is a country‑code top‑level domain associated with Ascension Island, used internationally for concise, professional naming. We observe .ac domains across research, education, and technology, often selected when academic connotations or short, brandable strings are desirable. In our live index, we track active .ac domains and live .ac websites; notably, already have DNS configured, signalling deployment readiness. Adoption spans countries, showing that .ac websites are not confined to one geography. These baselines let us benchmark growth, detect infrastructure changes, and assess namespace health over time. We combine registration, hosting, and SSL telemetry to quantify the operational footprint of the space. Download .ac domain datasets from webatla for deeper, current visibility.
Introduced as the ccTLD linked to Ascension Island, .ac has evolved beyond locality, with usage patterns shaped by academic shorthand and global technology branding. Core characteristics we monitor include openness of registration, international distribution, and the maturity of active .ac websites. Recent activity remains measured: and indicate steady but selective growth in .ac domains. Combined with countries of use, the namespace demonstrates sustained, diversified adoption. We correlate age, DNS stability, and certificate issuance to understand which .ac websites are enduring versus experimental. These longitudinal signals help organizations evaluate risks, resolve conflicts, and time acquisitions in the .ac TLD. Download .ac domain datasets from webatla to review trends and policy signals.
Organizations choose .ac for clarity, brevity, and associations with academia, accelerators, and advanced computing. We see .ac domains used by universities, labs, venture and startup programs, and data‑centric firms seeking memorable, globally interpretable naming. Operationally, the proportion of live .ac websites – out of – suggests a meaningful share are in active use, supported by configured records. Cross‑market presence in countries broadens reach while preserving a distinctive TLD identity. Our datasets segment technology stacks, geolocation, and update cadence to surface reliable .ac websites and emerging .ac domains for partnerships, compliance checks, or competitive mapping. Download .ac domain datasets from webatla to pinpoint opportunities and monitor peers.
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.
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