CF1761715636360-tsm20251027103946

MXLIST.NET - 20.251.138.in-addr.arpa

Search for IP or hostnames:

20.251.138.in-addr.arpa checked at 2025-10-29T05:27:16.345Z 121ms 36/36/36 100% R:9

20.251.138.in-addr.arpa

NSads03.cs.st-andrews.ac.uk
A138.251.22.155🇬🇧 JANET
PTRads03.cs.st-andrews.ac.uk
NSads04.cs.st-andrews.ac.uk
A138.251.20.175🇬🇧 JANET
PTRads04.cs.st-andrews.ac.uk

251.138.in-addr.arpa

NSns4.ja.net
NSns1.st-and.ac.uk
NSns2.st-and.ac.uk
NSns3.st-and.ac.uk
NSns4.st-and.ac.uk

Up

Starts with same word

Starts similarily

AI analysis

20.251.138.in-addr.arpa is parent of 159.20.251.138.in-addr.arpa, 175.20.251.138.in-addr.arpa, 160.20.251.138.in-addr.arpa, 180.20.251.138.in-addr.arpa and 139.20.251.138.in-addr.arpa.

Two name servers ads03.cs.st-andrews.ac.uk and ads04.cs.st-andrews.ac.uk handle the delegation for 20.251.138.in-addr.arpa.

20.251.138.in-addr.arpa shares the same name server setup as other domains, for instance 29.251.138.in-addr.arpa, 30.251.138.in-addr.arpa, cs.st-andrews.ac.uk, 16.251.138.in-addr.arpa and dcs.st-and.ac.uk.

Host names with one IP:

ads03.cs.st-andrews.ac.uk points to: 138.251.22.155

ads04.cs.st-andrews.ac.uk points to: 138.251.20.175

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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