CF1759840650921-tsm20251005211530

DNSWHOIS.INFO - 89.231.147.in-addr.arpa

Search for IP or hostnames:

89.231.147.in-addr.arpa checked at 2025-10-07T12:37:30.902Z 783ms 50/50/50 100% R:19

89.231.147.in-addr.arpa

NSacademy.cas.cz
A2001:718:404:1002:147:231:58:1 🇨🇿 CESNET
PTRacademy.cas.cz
A147.231.58.1🇨🇿 CESNET
NScore.math.cas.cz
A2001:718:40f:4100::c093 🇨🇿 CESNET
PTRcore.math.cas.cz
A147.231.88.2🇨🇿 CESNET
PTRcore.math.cas.cz

231.147.in-addr.arpa

NSacademy.cas.cz
NSnsa.ces.net
NSvisla.utia.cas.cz

Up

Starts with same word

Starts similarily

AI analysis

89.231.147.in-addr.arpa is a parent of 11.89.231.147.in-addr.arpa and 10.89.231.147.in-addr.arpa.

89.231.147.in-addr.arpa is delegated to two name servers: academy.cas.cz and core.math.cas.cz.

89.231.147.in-addr.arpa uses the same name server setup as other domains, including math.cas.cz and 88.231.147.in-addr.arpa.

89.231.147.in-addr.arpa shares name servers with other domains at least partially, for instance 96.231.147.in-addr.arpa, ujc.cas.cz, imc.cas.cz, pravnik.eu and 120.231.147.in-addr.arpa.

these name servers are commonly used with the name servers visla.utia.cas.cz, nsa.ces.net, sun1.biomed.cas.cz, dc1.asuch.cas.cz, dc2.asuch.cas.cz, dc3.asuch.cas.cz, dctc.asuch.cas.cz, florenc.ucl.cas.cz, centos.asu.cas.cz and galaxy.asu.cas.cz.

Host names with two IP numbers:

The host academy.cas.cz points to 2001:718:404:1002:147:231:58:1 and 147.231.58.1.

The host core.math.cas.cz points to 2001:718:40f:4100::c093 and 147.231.88.2.

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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jyGHQpd CF johedugfp 2025-10-07