CF1763564217583-tsm20251116095642

DNSWHOIS.INFO - 4.121.217.in-addr.arpa

Search for IP or hostnames:

4.121.217.in-addr.arpa checked at 2025-11-19T14:56:57.487Z 2403ms 44/44/44 100% R:10 allDone:true timedOut:false

4.121.217.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

40.4.121.217.in-addr.arpa is a child of 4.121.217.in-addr.arpa.

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

4.121.217.in-addr.arpa uses the same name server setup as other domains, such as 179.28.84.in-addr.arpa, 145.197.214.94.in-addr.arpa, 85.167.188.in-addr.arpa, 203.173.214.94.in-addr.arpa and 11.153.210.94.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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