CF1759965050793-tsm20251008212832

IPLIST.NET - 21.251.77.in-addr.arpa

Search for IP or hostnames:

21.251.77.in-addr.arpa checked at 2025-10-08T23:10:50.782Z 210ms 44/44/44 100% R:12

21.251.77.in-addr.arpa

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

251.77.in-addr.arpa

NSrns1.upc.biz
NSrns2.upc.biz

Up

Starts with same word

Starts similarily

AI analysis

36.21.251.77.in-addr.arpa has 21.251.77.in-addr.arpa as its parent.

Two name servers rns1.upc.biz and rns2.upc.biz are delegated to 21.251.77.in-addr.arpa.

21.251.77.in-addr.arpa uses the same name server configuration as other domains, such as 43.168.83.83.in-addr.arpa, 234.2.72.82.in-addr.arpa, 18.82.83.in-addr.arpa, 244.237.211.94.in-addr.arpa and 123.214.27.84.in-addr.arpa.

Host names with two IPs:

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.
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UgzjBOP CF johedugfp 2025-10-08