CF1762461705505-tsm20251105200708

WWW.RTSAK.COM - 21.218.250.77.in-addr.arpa

Search for IP or hostnames:

21.218.250.77.in-addr.arpa checked at 2025-11-06T20:41:45.473Z 324ms 49/49/49 100% R:16

21.218.250.77.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
PTR77-250-218-21.cable.dynamic.v4.ziggo.nl
A77.250.218.21🇳🇱 TNF-AS
PTR77-250-218-21.cable.dynamic.v4.ziggo.nl

218.250.77.in-addr.arpa

NSrns1.upc.biz
NSrns2.upc.biz

Starts with same word

Starts similarily

AI analysis

21.218.250.77.in-addr.arpa's delegation is to two name servers rns1.upc.biz and rns2.upc.biz.

21.218.250.77.in-addr.arpa shares the same name server configuration as other domains, such as 104.147.85.in-addr.arpa, 165.69.120.212.in-addr.arpa, 119.25.84.in-addr.arpa, 226.172.73.213.in-addr.arpa and 237.239.27.84.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

77-250-218-21.cable.dynamic.v4.ziggo.nl points to IP number 77.250.218.21.

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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