31.21.0.0
Find the PTR record that belongs to an IP address.
PTR record
- Hostname
- 0-0-21-31.ftth.glasoperator.nl
- Reverse DNS name
- 0.0.21.31.in-addr.arpa
Forward-confirmed check
- 0-0-21-31.ftth.glasoperator.nl
- The hostname resolves back to this address.31.21.0.0