Domain · Tranco #22,554
21-school.ru
21-school.ru is ranked #22,554 among the world's most-visited sites (Tranco). It resolves to 91.221.165.183, hosted on nginx, and presents a TLS certificate issued by GlobalSign nv-sa.
HTTP 200| Tranco rank | #22,554 |
|---|---|
| IPv4 | 91.221.165.183 |
| Hosting / reverse DNS | nginx |
| Hosting network | AS201706 · AS-SERVICEPIPE - SERVICEPIPE LLC, RU |
| Nameservers | ns1.21-school.ru, ns2.21-school.ru, ns3.21-school.ru |
| Mail servers (MX) | mx.yandex.net (10) |
| HTTP status | 200 |
| Web server | nginx |
| Page title | Обучение программированию с нуля в Школе 21 - бесплатные IT курсы с трудоустройством от Сбера |
| Detected tech | nginx, Next.js |
| TLS certificate | GlobalSign nv-sa · expires 2026-11-07 |
Notable DNS TXT records
yandex-verification: 887ee2c63c391368mailru-verification: 0e9f96ce19a2fe0egoogle-site-verification=JHNnaJa1P6kPQQHhUqwgrDxmnJ4oarN29Ywol_hIfJkgoogle-site-verification=TqBACIQwbtLIpKvjE0uyc7nT0sqU15VjUTDR5D2H_60google-site-verification=cVo9jmT56K5it8lvS4ebQnuZc3BTjbfv3abXIiLKRe0google-site-verification=TJOfk6Jabb0TAuia_Rxfca2_FdlYs0fKpoMs83VqHCo
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FAQ
What is the IP address of 21-school.ru?
21-school.ru resolves to 91.221.165.183 (nginx).
Who issued the SSL certificate for 21-school.ru?
The TLS/SSL certificate for 21-school.ru was issued by GlobalSign nv-sa, valid until 2026-11-07.
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Start free on Mewayz →DNS/HTTP/TLS observed 2026-08-06; registration data via RDAP. Informational only. Download JSON · CSV · Browse domains