CF1763531181691-tsm20251116095642

WWW.RTSAK.COM - 21.72.131.in-addr.arpa

Search for IP or hostnames:

21.72.131.in-addr.arpa checked at 2025-11-19T05:46:21.616Z 1461ms 44/44/44 100% R:14 allDone:true timedOut:false

21.72.131.in-addr.arpa

NSns1.centralfm.com.br
A2804:1b38::2 🇧🇷 Central Telecom
PTRns1.centralfm.com.br
A131.72.21.2🇧🇷 Central Telecom
PTRns1.centralfm.com.br
NSns2.centralfm.com.br
A2804:1b38::3 🇧🇷 Central Telecom
PTRns2.centralfm.com.br
A131.72.21.3🇧🇷 Central Telecom
PTRns2.centralfm.com.br

72.131.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

21.72.131.in-addr.arpa is a parent of 34.21.72.131.in-addr.arpa, 3.21.72.131.in-addr.arpa and 2.21.72.131.in-addr.arpa.

21.72.131.in-addr.arpa's delegation uses two name servers: ns1.centralfm.com.br and ns2.centralfm.com.br.

The name server setup for 21.72.131.in-addr.arpa is the same as for other domains, such as fibracentral.com.br, mail.centralfm.com.br, centralfm.com.br and 23.72.131.in-addr.arpa.

Host names with two IPs:

ns1.centralfm.com.br points to 2804:1b38::2 and 131.72.21.2

ns2.centralfm.com.br points to 2804:1b38::3 and 131.72.21.3

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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