CF1762554219714-tsm20251105200708

MXLIST.NET - 221.128.37.in-addr.arpa

Search for IP or hostnames:

221.128.37.in-addr.arpa checked at 2025-11-07T22:23:39.699Z 774ms 44/44/44 100% R:13

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

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

Two name servers authns02a.42n.dk and authns02b.42n.dk handle the delegation for 221.128.37.in-addr.arpa.

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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