CF1762269560797-tsm20251104080352

WWW.RTSAK.COM - 221.128.37.in-addr.arpa

Search for IP or hostnames:

221.128.37.in-addr.arpa checked at 2025-11-04T15:19:20.760Z 693ms 44/44/44 100% R:14

221.128.37.in-addr.arpa

NSauthns02a.42n.dk
A2a03:7400:2002:3::2 🇩🇰 Norlys-Fibernet
A85.218.251.10🇩🇰 Norlys-Fibernet
PTR85-218-251-10.norlyscustomer.net
NSauthns02b.42n.dk
A2a03:7400:2002:3::3 🇩🇰 Norlys-Fibernet
A85.218.251.11🇩🇰 Norlys-Fibernet
PTR85-218-251-11.norlyscustomer.net

128.37.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

221.128.37.in-addr.arpa is the parent of 164.221.128.37.in-addr.arpa.

221.128.37.in-addr.arpa has two name servers: authns02a.42n.dk and authns02b.42n.dk.

221.128.37.in-addr.arpa shares the same name server setup as other domains, for example 151.184.89.in-addr.arpa, 56.52.86.in-addr.arpa, 217.144.91.in-addr.arpa, 54.154.95.in-addr.arpa and 213.128.37.in-addr.arpa.

Host names with two IP numbers:

authns02a.42n.dk points to: 2a03:7400:2002:3::2 and 85.218.251.10; authns02b.42n.dk points to: 2a03:7400:2002:3::3 and 85.218.251.11.

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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