CF1758097570564-tsm20250915222102

NSLIST.NET - 21.223.73.in-addr.arpa

Search for IP or hostnames:

21.223.73.in-addr.arpa checked at 2025-09-17T08:26:10.521Z 151ms 74/74/74 100% R:14

21.223.73.in-addr.arpa

NSdns101.comcast.net
A2001:558:fe23:8:69:252:250:103 🇺🇸 Comcast
PTRdns101.comcast.net
A69.252.250.103🇺🇸 Comcast
PTRdns101.comcast.net
NSdns102.comcast.net
A2001:558:1004:7:68:87:85:132 🇺🇸 Comcast
PTRdns102.comcast.net
A68.87.85.132🇺🇸 Comcast
PTRdns102.comcast.net
NSdns103.comcast.net
A2001:558:1014:c:68:87:76:228 🇺🇸 Comcast
PTRdns103.comcast.net
A68.87.76.228🇺🇸 Comcast
PTRdns103.comcast.net
NSdns104.comcast.net
A2001:558:100a:5:68:87:68:244 🇺🇸 Comcast
PTRdns104.comcast.net
A68.87.68.244🇺🇸 Comcast
PTRdns104.comcast.net
NSdns105.comcast.net
A2001:558:100e:5:68:87:72:244 🇺🇸 Comcast
PTRdns105.comcast.net
A68.87.72.244🇺🇸 Comcast
PTRdns105.comcast.net

223.73.in-addr.arpa

NSdns101.comcast.net
NSdns102.comcast.net
NSdns103.comcast.net
NSdns104.comcast.net
NSdns105.comcast.net

Up

Starts with same word

Starts similarily

AI analysis

21.223.73.in-addr.arpa is the parent of 248.21.223.73.in-addr.arpa.

21.223.73.in-addr.arpa is delegated to five name servers: dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net and dns105.comcast.net.

21.223.73.in-addr.arpa shares name servers with other domains at least partially, for example xfinity-dnssec.org, 8.163.174.in-addr.arpa, 78.243.98.in-addr.arpa, 227.99.96.in-addr.arpa and 136.189.67.in-addr.arpa.

Host names with two IP numbers:

dns101.comcast.net points to 2001:558:fe23:8:69:252:250:103 and 69.252.250.103

dns102.comcast.net points to 2001:558:1004:7:68:87:85:132 and 68.87.85.132

dns103.comcast.net points to 2001:558:1014:c:68:87:76:228 and 68.87.76.228

dns104.comcast.net points to 2001:558:100a:5:68:87:68:244 and 68.87.68.244

dns105.comcast.net points to 2001:558:100e:5:68:87:72:244 and 68.87.72.244

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

YWZXTFj CF johedugfp 2025-09-17