CF1762360640343-tsm20251105083916

DNSWHOIS.INFO - 21.3.72.82.in-addr.arpa

Search for IP or hostnames:

21.3.72.82.in-addr.arpa checked at 2025-11-05T16:37:20.320Z 545ms 49/49/49 100% R:15

21.3.72.82.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
PTR82-72-3-21.cable.dynamic.v4.ziggo.nl
A82.72.3.21🇳🇱 TNF-AS
PTR82-72-3-21.cable.dynamic.v4.ziggo.nl

3.72.82.in-addr.arpa

NSrns1.upc.biz
NSrns2.upc.biz

Starts with same word

Starts similarily

AI analysis

21.3.72.82.in-addr.arpa is delegated to two name servers: rns1.upc.biz and rns2.upc.biz.

21.3.72.82.in-addr.arpa shares the same name server setup as other domains, for example 194.178.214.94.in-addr.arpa, 47.113.123.217.in-addr.arpa, 142.204.249.77.in-addr.arpa, 14.87.83.in-addr.arpa and 102.219.31.84.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

Host name 82-72-3-21.cable.dynamic.v4.ziggo.nl points to IP address 82.72.3.21.

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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