Domain · Tranco #69,995

coi.cz

coi.cz is ranked #69,995 among the world's most-visited sites (Tranco). It resolves to 104.155.16.79, hosted on 79.16.155.104.bc.googleusercontent.com, and presents a TLS certificate issued by Let's Encrypt.

HTTP 301

Tranco rank	#69,995
IPv4	104.155.16.79
IPv6	2600:1900:4010:cc4::
Hosting / reverse DNS	79.16.155.104.bc.googleusercontent.com
Hosting network	AS396982 · GOOGLE-CLOUD-PLATFORM - Google LLC, US
Nameservers	ns1.ignum.com, ns2.ignum.cz
Mail servers (MX)	coi-cz.o-v1.mx.microsoft (0)
HTTP status	301 → https://coi.gov.cz/
Web server	Apache
Detected tech	Apache
TLS certificate	Let's Encrypt · expires 2026-10-23

Notable DNS TXT records

v=spf1 a mx ip4:213.195.199.180 ip4:213.195.199.179 include:spf.protection.outlook.com -all
MS=75DD76990965786EAF6D64424FC315C80B2B1ED1

More .cz domains

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FAQ

What is the IP address of coi.cz?

coi.cz resolves to 104.155.16.79 (79.16.155.104.bc.googleusercontent.com).

Who issued the SSL certificate for coi.cz?

The TLS/SSL certificate for coi.cz was issued by Let's Encrypt, valid until 2026-10-23.

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DNS/HTTP/TLS observed 2026-08-06; registration data via RDAP. Informational only. Download JSON · CSV · Browse domains