CF1762698071235-tsm20251109131225

WWW.RTSAK.COM - 57.251.77.in-addr.arpa

Search for IP or hostnames:

57.251.77.in-addr.arpa checked at 2025-11-09T14:21:11.223Z 333ms 44/44/44 100% R:10 allDone:true timedOut:false

57.251.77.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

57.251.77.in-addr.arpa is the parent of 75.57.251.77.in-addr.arpa, 44.57.251.77.in-addr.arpa, 3.57.251.77.in-addr.arpa, 178.57.251.77.in-addr.arpa, 109.57.251.77.in-addr.arpa and a few other host names.

Two name servers rns1.upc.biz and rns2.upc.biz are delegated to 57.251.77.in-addr.arpa.

57.251.77.in-addr.arpa uses the same name server configuration as other domains, such as 142.133.34.195.in-addr.arpa, 27.8.31.84.in-addr.arpa, 216.140.123.217.in-addr.arpa, 214.251.77.in-addr.arpa and 79.236.75.82.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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