CF1762311450647-tsm20251104152717

DNSWHOIS.INFO - 7.21.51.in-addr.arpa

Search for IP or hostnames:

7.21.51.in-addr.arpa checked at 2025-11-05T02:57:30.618Z 118ms 48/48/48 100% R:10

7.21.51.in-addr.arpa

NSns1-24-eu-north-1.ec2-rdns.amazonaws.com
A205.251.196.175🇺🇸 Amazon
PTRns-1199.awsdns-21.org
NSns2-24-eu-north-1.ec2-rdns.amazonaws.com
A205.251.199.159🇺🇸 Amazon
PTRns-1951.awsdns-51.co.uk
NSns3-24-eu-north-1.ec2-rdns.amazonaws.com
A205.251.193.119🇺🇸 Amazon
PTRns-375.awsdns-46.com
NSns4-24-eu-north-1.ec2-rdns.amazonaws.com
A205.251.195.162🇺🇸 Amazon
PTRns-930.awsdns-52.net

21.51.in-addr.arpa

NSns1-16-eu-north-1.ec2-rdns.amazonaws.com
NSns2-16-eu-north-1.ec2-rdns.amazonaws.com
NSns3-16-eu-north-1.ec2-rdns.amazonaws.com
NSns4-16-eu-north-1.ec2-rdns.amazonaws.com

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Starts with same word

Starts similarily

AI analysis

7.21.51.in-addr.arpa is a parent of 211.7.21.51.in-addr.arpa, 146.7.21.51.in-addr.arpa, 223.7.21.51.in-addr.arpa, 67.7.21.51.in-addr.arpa, 33.7.21.51.in-addr.arpa and a few other host names.

7.21.51.in-addr.arpa's delegation is handled by four name servers: ns1-24-eu-north-1.ec2-rdns.amazonaws.com, ns2-24-eu-north-1.ec2-rdns.amazonaws.com, ns3-24-eu-north-1.ec2-rdns.amazonaws.com and ns4-24-eu-north-1.ec2-rdns.amazonaws.com.

7.21.51.in-addr.arpa partially shares name servers with other domains; examples include 76.61.13.in-addr.arpa, 209.21.51.in-addr.arpa, 49.61.13.in-addr.arpa, 157.171.16.in-addr.arpa and 161.16.16.in-addr.arpa.

Host names with one IP:

ns1-24-eu-north-1.ec2-rdns.amazonaws.com points to 205.251.196.175

ns2-24-eu-north-1.ec2-rdns.amazonaws.com points to 205.251.199.159

ns3-24-eu-north-1.ec2-rdns.amazonaws.com points to 205.251.193.119

ns4-24-eu-north-1.ec2-rdns.amazonaws.com points to 205.251.195.162

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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