CF1763046907330-tsm20251109205412

DNSWHOIS.INFO - 221.144.81.in-addr.arpa

Search for IP or hostnames:

221.144.81.in-addr.arpa checked at 2025-11-13T15:15:07.322Z 357ms 42/42/42 100% R:13 allDone:true timedOut:false

221.144.81.in-addr.arpa

NSns0.bt.net
A217.35.209.188🇬🇧 BT-UK-AS
PTRns0.bt.net
NSns1.bt.net
A217.32.105.91🇬🇧 BT-UK-AS
PTRindnss01.bt.net
PTRns1.bt.net
PTRindnss01.ukcore.bt.net
NSns2.bt.net
A217.32.105.90🇬🇧 BT-UK-AS
PTRindnss02.bt.net
PTRns2.bt.net
PTRindnss02.ukcore.bt.net

144.81.in-addr.arpa

NSns0.bt.net
NSns1.bt.net
NSns2.bt.net

Up

Starts with same word

Starts similarily

AI analysis

221.144.81.in-addr.arpa is a parent of 99.221.144.81.in-addr.arpa and 98.221.144.81.in-addr.arpa.

The domain 221.144.81.in-addr.arpa is delegated to three name servers: ns0.bt.net, ns1.bt.net and ns2.bt.net.

221.144.81.in-addr.arpa shares name servers with other domains at least partially, for instance 140.86.in-addr.arpa, 167.144.109.in-addr.arpa, 32.140.217.in-addr.arpa, ftip002506401.vpn-nte.bt.net and magnascan.co.uk.

Host names with a single IP number:

ns0.bt.net points to 217.35.209.188.

ns1.bt.net points to 217.32.105.91.

ns2.bt.net points to 217.32.105.90.

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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