CF1763412402254-tsm20251116095642

WWW.RTSAK.COM - 21.133.5.in-addr.arpa

Search for IP or hostnames:

21.133.5.in-addr.arpa checked at 2025-11-17T20:46:42.146Z 1956ms 42/42/42 100% R:11 allDone:true timedOut:false

21.133.5.in-addr.arpa

NSns1.isp4.uk.net
A5.133.16.40🇬🇧 Southern Communications
PTRns1.isp4.uk.net
NSns2.isp4.uk.net
A5.133.16.50🇬🇧 Southern Communications
PTRns2.isp4.uk.net

133.5.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

21.133.5.in-addr.arpa is parent of 194.21.133.5.in-addr.arpa and 34.21.133.5.in-addr.arpa.

21.133.5.in-addr.arpa's delegation uses two name servers, ns1.isp4.uk.net and ns2.isp4.uk.net.

21.133.5.in-addr.arpa shares the same name server setup as other domains, for example 232.74.185.in-addr.arpa, 81.31.46.in-addr.arpa, 252.144.82.in-addr.arpa, 22.133.5.in-addr.arpa and 238.74.185.in-addr.arpa.

21.133.5.in-addr.arpa at least partially shares name servers with other domains, including fiql.co.uk, touchsite.co.uk, covers-group.co.uk, 124.235.109.in-addr.arpa and 7.105.89.in-addr.arpa.

these name servers are commonly used together with ns01.link-connect.net.uk, ns02.link-connect.net.uk and ns.link-connect.net.uk.

Host names with a single IP:

ns1.isp4.uk.net points to 5.133.16.40.

ns2.isp4.uk.net points to 5.133.16.50.

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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