CF1761837176558-tsm20251029173950

DNSWHOIS.INFO - 21.18.85.in-addr.arpa

Search for IP or hostnames:

21.18.85.in-addr.arpa checked at 2025-10-30T15:12:56.409Z 1570ms 44/44/44 100% R:9

21.18.85.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

18.85.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

21.18.85.in-addr.arpa is a parent of 128.21.18.85.in-addr.arpa, 16.21.18.85.in-addr.arpa, 86.21.18.85.in-addr.arpa, 7.21.18.85.in-addr.arpa, 45.21.18.85.in-addr.arpa and a few other host names.

Two name servers dns3.fastweb.it and dns4.fastweb.it handle delegation for 21.18.85.in-addr.arpa.

21.18.85.in-addr.arpa uses the same name server setup as other domains, for example 192.51.93.in-addr.arpa, 114.96.89.in-addr.arpa, 164.237.2.in-addr.arpa, 148.37.93.in-addr.arpa and 235.228.2.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.
dbq

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