CF1761641628986-tsm20251027103946

DNSWHOIS.INFO - 251.221.77.in-addr.arpa

Search for IP or hostnames:

251.221.77.in-addr.arpa checked at 2025-10-28T08:53:48.969Z 395ms 42/42/42 100% R:17

251.221.77.in-addr.arpa

NSauth01.t26.dk
A77.221.251.240🇩🇰 Unit-IT-Services-aps
PTRname1.t26.dk
NSauth02.t26.dk
A77.221.251.241🇩🇰 Unit-IT-Services-aps
PTRname2.t26.dk

221.77.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

251.221.77.in-addr.arpa is parent of 240.251.221.77.in-addr.arpa and 241.251.221.77.in-addr.arpa.

251.221.77.in-addr.arpa is delegated to two name servers: auth01.t26.dk and auth02.t26.dk.

251.221.77.in-addr.arpa shares the same name server setup as other domains, for example 230.221.77.in-addr.arpa, 255.221.77.in-addr.arpa, 226.221.77.in-addr.arpa, sl.dk and gcos.dk.

251.221.77.in-addr.arpa at least partially shares name servers with other domains, for example sukkerpusher.dk and t26.dk.

These name servers are commonly used with auth01, name1.t26.dk and name2.t26.dk.

Host names with one IP number:

The host auth01.t26.dk points to 77.221.251.240 and the host auth02.t26.dk points to 77.221.251.241.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
dbq

XxBRhfb CF johedugfp 2025-10-28