Searching for 121.208.1.129.in-addr.arpa. PTR record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for 121.208.1.129.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for 121.208.1.129.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for z.arin.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 12 ms
Searching for z.arin.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for z.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 152 ms
Searching for 121.208.1.129.in-addr.arpa. PTR record at z.arin.net. [199.180.180.63]
...took 155 msSearching for z.arin.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for z.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 152 ms
Searching for ns4.oar.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 12 ms
Searching for ns4.oar.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 6 ms
Searching for ns4.oar.net. A record at ns6.oar.net. [157.134.199.2] ...took 119 ms
Searching for 121.208.1.129.in-addr.arpa. PTR record at ns4.oar.net. [199.18.199.2]
...took 134 msSearching for ns4.oar.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 6 ms
Searching for ns4.oar.net. A record at ns6.oar.net. [157.134.199.2] ...took 119 ms
Nameserver ns4.oar.net. reports: No such host 121.208.1.129.in-addr.arpa.
Total elapsed query time: 637 ms