CF1763117424512-tsm20251109205412

IPLIST.NET - mail.relay.cz

Search for IP or hostnames:

mail.relay.cz checked at 2025-11-14T10:50:24.456Z 337ms 31/31/31 100% R:9 allDone:true timedOut:false

mail.relay.cz

A81.91.87.10🇨🇿 WEB4U
PTRmail.web4u.cz

relay.cz

NSnsb.perf1.com
NSnsc.perf1.com
MXmail.relay.cz
NSnsa.perf1.fr
A2001:1528:246:0:ff6d:7bde:f0ff:0 🇨🇿 CASABLANCA-AS
A109.123.222.240🇨🇿 CASABLANCA-AS

MX for

Starts with same word

Starts similarily

AI analysis

The mail server for relay.cz is mail.relay.cz.

mail.relay.cz points to a single IP number: 81.91.87.10.

Other host names, for instance mail.jan-havelka.cz, mail.lysice.cz, mail.angelgames.eu, mail.psychotesty-pro-ridice-praha.cz and mail2.narodni.cz share IP numbers with mail.relay.cz.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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