Searching for 121.224.171.5.in-addr.arpa. PTR record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for 121.224.171.5.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 171 ms
Searching for 121.224.171.5.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 171 ms
Searching for ns3.afrinic.net. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 63 ms
Searching for ns3.afrinic.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 6 ms
Searching for ns3.afrinic.net. A record at ns3.afrinic.net. [204.61.216.100] ...took 11 ms
Searching for 121.224.171.5.in-addr.arpa. PTR record at ns3.afrinic.net. [204.61.216.100]
...took 11 msSearching for ns3.afrinic.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 6 ms
Searching for ns3.afrinic.net. A record at ns3.afrinic.net. [204.61.216.100] ...took 11 ms
Nameserver ns3.afrinic.net. reports: No such host 121.224.171.5.in-addr.arpa.
Total elapsed query time: 274 ms