Domain · Tranco #18,047
257.cz
257.cz is ranked #18,047 among the world's most-visited sites (Tranco). It resolves to 37.205.13.38, hosted on alpha.shy.cz, and presents a TLS certificate issued by Let's Encrypt.
HTTP 200| Tranco rank | #18,047 |
|---|---|
| IPv4 | 37.205.13.38 |
| IPv6 | 2a03:3b40:fe:2cd::1 |
| Hosting / reverse DNS | alpha.shy.cz |
| Hosting network | AS24971 · MASTER-AS - MasterDC s.r.o., CZ |
| Nameservers | ns1.257.cz, ns2.257.cz |
| Mail servers (MX) | mail.shy.cz (10) |
| HTTP status | 200 |
| Web server | nginx/1.18.0 (Ubuntu) |
| Page title | 257.cz - Domény, expirované domény |
| Detected tech | nginx/1.18.0 (Ubuntu) |
| TLS certificate | Let's Encrypt · expires 2026-10-24 |
Notable DNS TXT records
v=spf1 include:_spf.shy.cz include:_spf.google.com ~allgoogle-site-verification=B2jXH3sfzArrYqOrZBupgE5xLjc-Uxz3Zd2fuHp8ZPE
More .cz domains
FAQ
What is the IP address of 257.cz?
257.cz resolves to 37.205.13.38 (alpha.shy.cz).
Who issued the SSL certificate for 257.cz?
The TLS/SSL certificate for 257.cz was issued by Let's Encrypt, valid until 2026-10-24.
Own a business online?
Mewayz gives your business a website, bookings, POS, payroll and CRM in one platform — no card required.
Start free on Mewayz →DNS/HTTP/TLS observed 2026-08-06; registration data via RDAP. Informational only. Download JSON · CSV · Browse domains