CF1763363003793-tsm20251116095642

DNSWHOIS.INFO - 231.121.217.in-addr.arpa

Search for IP or hostnames:

231.121.217.in-addr.arpa checked at 2025-11-17T07:03:23.764Z 260ms 44/44/44 100% R:13 allDone:true timedOut:false

231.121.217.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

121.217.in-addr.arpa

NSrns1.upc.biz
NSrns2.upc.biz

Up

Starts with same word

Starts similarily

AI analysis

165.231.121.217.in-addr.arpa is a child of 231.121.217.in-addr.arpa.

231.121.217.in-addr.arpa's delegation uses two name servers: rns1.upc.biz and rns2.upc.biz.

231.121.217.in-addr.arpa uses the same name server setup as other domains, such as 217.6.28.84.in-addr.arpa, 211.154.73.213.in-addr.arpa, 1.18.72.82.in-addr.arpa, 116.122.209.94.in-addr.arpa and 96.0.208.94.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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