CF1763382191676-tsm20251116095642

WWW.RTSAK.COM - 203.251.77.in-addr.arpa

Search for IP or hostnames:

203.251.77.in-addr.arpa checked at 2025-11-17T12:23:11.607Z 331ms 44/44/44 100% R:11 allDone:true timedOut:false

203.251.77.in-addr.arpa

NSrns1.upc.biz
A2001:730:3e12::134 🇳🇱 LibertyGlobal
A195.34.133.134🇦🇹 LibertyGlobal
PTRrns1.upc.biz
NSrns2.upc.biz
A2001:730:3e12:1000::134 🇳🇱 LibertyGlobal
A213.47.222.134🇳🇱 LibertyGlobal
PTRrns2.upc.biz

251.77.in-addr.arpa

NSrns1.upc.biz
NSrns2.upc.biz

Up

Starts with same word

Starts similarily

AI analysis

The parent of 2.203.251.77.in-addr.arpa is 203.251.77.in-addr.arpa.

Two name servers rns1.upc.biz and rns2.upc.biz handle the delegation for 203.251.77.in-addr.arpa.

203.251.77.in-addr.arpa shares the same name server setup as other domains, for example 112.167.81.83.in-addr.arpa, 104.34.213.in-addr.arpa, 181.208.84.83.in-addr.arpa, 48.225.99.89.in-addr.arpa and 159.6.75.82.in-addr.arpa.

Host names with two IP numbers:

rns1.upc.biz points to 2001:730:3e12::134 and 195.34.133.134.

rns2.upc.biz points to 2001:730:3e12:1000::134 and 213.47.222.134.

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