CF1757201316194-tsm20250906182357

DNSWHOIS.INFO - 21.107.204.in-addr.arpa

Search for IP or hostnames:

21.107.204.in-addr.arpa checked at 2025-09-06T23:28:36.179Z 140ms 61/61/61 100% R:12

21.107.204.in-addr.arpa

NSns1.attdns.com
A2001:1890:1286:320::c:2 🇺🇸 AT&T US - 7018
A144.160.112.22🇺🇸 AS797
PTRns1.attdns.com
NSns2.attdns.com
A2001:1890:1c00:3320::c:3 🇺🇸 AT&T US - 7018
A144.160.128.140🇺🇸 AS797
PTRns2.attdns.com
NSns3.attdns.com
A2001:1890:1c00:5323::c:3 🇺🇸 AT&T US - 7018
A144.160.20.47🇺🇸 AS797
PTRns3.attdns.com
NSns4.attdns.com
A2001:1890:1c00:6320::c:6 🇺🇸 AT&T US - 7018
A144.160.229.11🇺🇸 AS797
PTRns4.attdns.com

107.204.in-addr.arpa

AI analysis

The four name servers delegated to 21.107.204.in-addr.arpa are ns1.attdns.com, ns2.attdns.com, ns3.attdns.com, and ns4.attdns.com.

The domain 21.107.204.in-addr.arpa shares its name servers, at least partially, with other domains such as 44.20.192.in-addr.arpa, webhosting.com, lightspeed.mlfrct.sbcglobal.net, dialup.rcsntx.swbell.net, and 228.20.192.in-addr.arpa.

ns1.attdns.com, ns2.attdns.com, ns3.attdns.com, and ns4.attdns.com point to two IP numbers each: 2001:1890:1286:320::c:2 and 144.160.112.22, 2001:1890:1c00:3320::c:3 and 144.160.128.140, 2001:1890:1c00:5323::c:3 and 144.160.20.47, 2001:1890:1c00:6320::c:6 and 144.160.229.11 respectively.

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

WUfifTD CF johedugfp 2025-09-06