Searching for 21.100.216.213.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 21.100.216.213.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 154 ms
Searching for 21.100.216.213.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 154 ms
Searching for ns3.afrinic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns3.afrinic.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 13 ms
Searching for ns3.afrinic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for 21.100.216.213.in-addr.arpa. PTR record at ns3.afrinic.net. [204.61.216.100]
...took 11 msSearching for ns3.afrinic.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 13 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 21.100.216.213.in-addr.arpa.
Total elapsed query time: 222 ms