DNSWHOIS.INFO - 21.28.100.in-addr.arpa
Search for IP or hostnames:
21.28.100.in-addr.arpa checked at 2025-10-31T23:48:00.187Z 1258ms 48/48/48 100% R:821.28.100.in-addr.arpa
| NS | ns1-24-us-east-1.ec2-rdns.amazonaws.com | ||||||
| A | 205.251.197.231🇺🇸 Amazon | ||||||
| PTR | ns-1511.awsdns-60.org | ||||||
| NS | ns2-24-us-east-1.ec2-rdns.amazonaws.com | ||||||
| A | 205.251.198.46🇺🇸 Amazon | ||||||
| PTR | ns-1582.awsdns-05.co.uk | ||||||
| NS | ns3-24-us-east-1.ec2-rdns.amazonaws.com | ||||||
| A | 205.251.192.197🇺🇸 Amazon | ||||||
| PTR | ns-197.awsdns-24.com | ||||||
| NS | ns4-24-us-east-1.ec2-rdns.amazonaws.com | ||||||
| A | 205.251.195.169🇺🇸 Amazon | ||||||
| PTR | ns-937.awsdns-53.net | ||||||
28.100.in-addr.arpa
| NS | ns1-16-us-east-1.ec2-rdns.amazonaws.com | ||||||
| NS | ns2-16-us-east-1.ec2-rdns.amazonaws.com | ||||||
| NS | ns3-16-us-east-1.ec2-rdns.amazonaws.com | ||||||
| NS | ns4-16-us-east-1.ec2-rdns.amazonaws.com | ||||||
Up
| 169.21.28.100.in-addr.arpa | 
| 160.21.28.100.in-addr.arpa | 
| 126.21.28.100.in-addr.arpa | 
| 64.21.28.100.in-addr.arpa | 
| 198.21.28.100.in-addr.arpa | 
| 195.21.28.100.in-addr.arpa | 
| 74.21.28.100.in-addr.arpa | 
| 140.21.28.100.in-addr.arpa | 
| 181.21.28.100.in-addr.arpa | 
| 101.21.28.100.in-addr.arpa | 
| 217.21.28.100.in-addr.arpa | 
| 68.21.28.100.in-addr.arpa | 
| 170.21.28.100.in-addr.arpa | 
| 138.21.28.100.in-addr.arpa | 
Starts with same word
Starts similarily
AI analysis
21.28.100.in-addr.arpa has children including 169.21.28.100.in-addr.arpa, 160.21.28.100.in-addr.arpa, 126.21.28.100.in-addr.arpa, 64.21.28.100.in-addr.arpa, 198.21.28.100.in-addr.arpa and a few other host names.
21.28.100.in-addr.arpa is delegated to four name servers: ns1-24-us-east-1.ec2-rdns.amazonaws.com, ns2-24-us-east-1.ec2-rdns.amazonaws.com, ns3-24-us-east-1.ec2-rdns.amazonaws.com and ns4-24-us-east-1.ec2-rdns.amazonaws.com.
At least part of the name servers for 21.28.100.in-addr.arpa are shared with other domains, for instance 73.90.54.in-addr.arpa, 172.144.54.in-addr.arpa, 99.214.3.in-addr.arpa, 197.169.35.in-addr.arpa and 95.20.52.in-addr.arpa.
Host names with one IP: ns1-24-us-east-1.ec2-rdns.amazonaws.com points to 205.251.197.231; ns2-24-us-east-1.ec2-rdns.amazonaws.com points to 205.251.198.46; ns3-24-us-east-1.ec2-rdns.amazonaws.com points to 205.251.192.197; ns4-24-us-east-1.ec2-rdns.amazonaws.com points to 205.251.195.169.