CF1760647518674-tsm20251016114356

DNSWHOIS.INFO - 121.191.91.in-addr.arpa

Search for IP or hostnames:

121.191.91.in-addr.arpa checked at 2025-10-16T20:45:18.633Z 228ms 44/44/44 100% R:13

121.191.91.in-addr.arpa

NSdns.iol.cz
A2a00:1028:100:102::61 🇨🇿 O2-CZECH-REPUBLIC
PTRdns.iol.cz
A194.228.2.61🇨🇿 O2-CZECH-REPUBLIC
PTRdns.iol.cz
NSns2.tel.cz
A2a00:1028:1:205::2 🇨🇿 O2-CZECH-REPUBLIC
PTRns2.tel.cz
A194.228.2.1🇨🇿 O2-CZECH-REPUBLIC
PTRns2.tel.cz

191.91.in-addr.arpa

Starts with same word

Starts similarily

AI analysis

121.191.91.in-addr.arpa has two name servers: dns.iol.cz and ns2.tel.cz.

121.191.91.in-addr.arpa shares the same name server setup as other domains, for example 180.90.in-addr.arpa, 76.191.91.in-addr.arpa, 172.182.90.in-addr.arpa, 164.178.90.in-addr.arpa and 23.183.90.in-addr.arpa.

121.191.91.in-addr.arpa shares name servers with other domains to some extent, for example tvidnes.cz and tvdnes.cz.

Host names with two IP numbers:

dns.iol.cz points to: 2a00:1028:100:102::61 and 194.228.2.61; ns2.tel.cz points to: 2a00:1028:1:205::2 and 194.228.2.1.

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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NzFcJRk CF johedugfp 2025-10-16