Searching for 21.211.160.83.in-addr.arpa. PTR record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 18 ms
Searching for 21.211.160.83.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 7 ms
Searching for 21.211.160.83.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 7 ms
Searching for ns3.afrinic.net. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 19 ms
Searching for ns3.afrinic.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for ns3.afrinic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for 21.211.160.83.in-addr.arpa. PTR record at ns3.afrinic.net. [204.61.216.100]
...took 18 msSearching for ns3.afrinic.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for ns3.afrinic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Nameserver ns3.afrinic.net. reports: No such host 21.211.160.83.in-addr.arpa.
Total elapsed query time: 102 ms