Searching for 153.251.211.81.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 31 ms
Searching for 153.251.211.81.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for 153.251.211.81.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for ns3.afrinic.net. A record at J.ROOT-SERVERS.NET. [192.58.128.30]
...took 32 ms
Searching for ns3.afrinic.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 30 ms
Searching for ns3.afrinic.net. A record at ns3.afrinic.net. [204.61.216.100] ...took 12 ms
Searching for 153.251.211.81.in-addr.arpa. PTR record at ns3.afrinic.net. [204.61.216.100]
...took 56 msSearching for ns3.afrinic.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 30 ms
Searching for ns3.afrinic.net. A record at ns3.afrinic.net. [204.61.216.100] ...took 12 ms
Nameserver ns3.afrinic.net. reports: No such host 153.251.211.81.in-addr.arpa.
Total elapsed query time: 173 ms