MXLIST.NET - 21.20.100.in-addr.arpa
Search for IP or hostnames:
21.20.100.in-addr.arpa checked at 2025-10-31T02:40:01.179Z 131ms 48/48/48 100% R:1021.20.100.in-addr.arpa
| NS | ns1-24-us-west-2.ec2-rdns.amazonaws.com | ||||||
| A | 205.251.197.77🇺🇸 Amazon | ||||||
| PTR | ns-1357.awsdns-41.org | ||||||
| NS | ns2-24-us-west-2.ec2-rdns.amazonaws.com | ||||||
| A | 205.251.198.5🇺🇸 Amazon | ||||||
| PTR | ns-1541.awsdns-00.co.uk | ||||||
| NS | ns3-24-us-west-2.ec2-rdns.amazonaws.com | ||||||
| A | 205.251.193.225🇺🇸 Amazon | ||||||
| PTR | ns-481.awsdns-60.com | ||||||
| NS | ns4-24-us-west-2.ec2-rdns.amazonaws.com | ||||||
| A | 205.251.194.254🇺🇸 Amazon | ||||||
| PTR | ns-766.awsdns-31.net | ||||||
20.100.in-addr.arpa
| NS | ns1-16-us-west-2.ec2-rdns.amazonaws.com | ||||||
| NS | ns2-16-us-west-2.ec2-rdns.amazonaws.com | ||||||
| NS | ns3-16-us-west-2.ec2-rdns.amazonaws.com | ||||||
| NS | ns4-16-us-west-2.ec2-rdns.amazonaws.com | ||||||
Up
| 206.21.20.100.in-addr.arpa | 
| 234.21.20.100.in-addr.arpa | 
| 109.21.20.100.in-addr.arpa | 
| 181.21.20.100.in-addr.arpa | 
| 176.21.20.100.in-addr.arpa | 
| 67.21.20.100.in-addr.arpa | 
| 230.21.20.100.in-addr.arpa | 
| 148.21.20.100.in-addr.arpa | 
| 194.21.20.100.in-addr.arpa | 
| 180.21.20.100.in-addr.arpa | 
| 174.21.20.100.in-addr.arpa | 
| 225.21.20.100.in-addr.arpa | 
| 5.21.20.100.in-addr.arpa | 
| 107.21.20.100.in-addr.arpa | 
| 37.21.20.100.in-addr.arpa | 
Starts with same word
Starts similarily
AI analysis
21.20.100.in-addr.arpa is the parent of 206.21.20.100.in-addr.arpa, 234.21.20.100.in-addr.arpa, 109.21.20.100.in-addr.arpa, 181.21.20.100.in-addr.arpa, 176.21.20.100.in-addr.arpa and several other host names.
21.20.100.in-addr.arpa is delegated to four name servers: ns1-24-us-west-2.ec2-rdns.amazonaws.com, ns2-24-us-west-2.ec2-rdns.amazonaws.com, ns3-24-us-west-2.ec2-rdns.amazonaws.com and ns4-24-us-west-2.ec2-rdns.amazonaws.com. 
21.20.100.in-addr.arpa at least partially shares its name servers with other domains, for instance 167.20.100.in-addr.arpa, 208.210.34.in-addr.arpa, 101.245.44.in-addr.arpa, 229.81.35.in-addr.arpa and 23.21.100.in-addr.arpa.
Host names with one IP number: ns1-24-us-west-2.ec2-rdns.amazonaws.com points to 205.251.197.77; ns2-24-us-west-2.ec2-rdns.amazonaws.com points to 205.251.198.5; ns3-24-us-west-2.ec2-rdns.amazonaws.com points to 205.251.193.225; ns4-24-us-west-2.ec2-rdns.amazonaws.com points to 205.251.194.254.