CF1763598256637-tsm20251116095642

NSLIST.NET - 21.103.83.in-addr.arpa

Search for IP or hostnames:

21.103.83.in-addr.arpa checked at 2025-11-20T00:24:16.611Z 199ms 44/44/44 100% R:12 allDone:true timedOut:false

21.103.83.in-addr.arpa

NSdns3.fastweb.it
A2001:b00:4:5:3:: 🇮🇹 FASTWEB
A85.18.87.69🇮🇹 FASTWEB
PTRdns3.fastweb.it
NSdns4.fastweb.it
A2001:b00:4:8:3:: 🇮🇹 FASTWEB
A213.140.22.93🇮🇹 FASTWEB
PTRdns4.fastweb.it

103.83.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

21.103.83.in-addr.arpa is a parent of 64.21.103.83.in-addr.arpa, 115.21.103.83.in-addr.arpa, 164.21.103.83.in-addr.arpa, 2.21.103.83.in-addr.arpa and 110.21.103.83.in-addr.arpa.

21.103.83.in-addr.arpa is delegated to two name servers: dns3.fastweb.it and dns4.fastweb.it.

21.103.83.in-addr.arpa uses the same name server setup as other domains such as 156.63.93.in-addr.arpa, 79.96.89.in-addr.arpa, 155.53.93.in-addr.arpa, 187.39.93.in-addr.arpa and 212.32.93.in-addr.arpa.

Host names with two IP numbers:

dns3.fastweb.it points to 2001:b00:4:5:3:: and 85.18.87.69; dns4.fastweb.it points to 2001:b00:4:8:3:: and 213.140.22.93.

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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