CF1762768371304-tsm20251109205412

WWW.RTSAK.COM - ext-mail.cro.cz

Search for IP or hostnames:

ext-mail.cro.cz checked at 2025-11-10T09:52:51.285Z 384ms 46/46/46 100% R:15 allDone:true timedOut:false

AI analysis

Three mail servers handle ext-mail.cro.cz: rs.cesnet.cz, ns1.cro.cz and ns2.cro.cz.

ext-mail.cro.cz shares at least some mail servers with other domains, for example matsrv.math.cas.cz, site.cas.cz, fnusa.cz, info2.plzen-city.cz and math.cas.cz.

these mail servers are often used with mx1.plzen.eu, mx2.plzen.eu, mx0.plzen.eu and mail.kr-zlinsky.cz.

Host names with two IP numbers:

rs.cesnet.cz points to: 2001:718:ff05:aca::1:2 and 78.128.248.2.

Host names with one IP number:

ns1.cro.cz points to: 195.113.180.18.

ns2.cro.cz points to: 195.113.180.19.

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