CF1760909908998-tsm20251017082432

DNSWHOIS.INFO - 21.183.185.in-addr.arpa

Search for IP or hostnames:

21.183.185.in-addr.arpa checked at 2025-10-19T21:38:28.966Z 311ms 44/44/44 100% R:17

21.183.185.in-addr.arpa

NSns1.optinet.co.uk
A2a0b:180::211:210 🇬🇧 Optinet U.K.
A185.183.20.210🇬🇧 Optinet U.K.
PTRns1.optinet.co.uk
NSns2.optinet.co.uk
A2a0b:180::213:212 🇬🇧 Optinet U.K.
A185.183.20.212🇬🇧 Optinet U.K.
PTRns2.optinet.co.uk

183.185.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

21.183.185.in-addr.arpa is parent of 225.21.183.185.in-addr.arpa.

21.183.185.in-addr.arpa's delegation is to two name servers ns1.optinet.co.uk and ns2.optinet.co.uk.

21.183.185.in-addr.arpa shares the same name server configuration as other domains, such as 108.136.45.in-addr.arpa, 23.183.185.in-addr.arpa, 20.183.185.in-addr.arpa, 177.253.185.in-addr.arpa and 254.253.5.in-addr.arpa.

Host names with two IP numbers: ns1.optinet.co.uk points to 2a0b:180::211:210 and 185.183.20.210; ns2.optinet.co.uk points to 2a0b:180::213:212 and 185.183.20.212

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

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