Searching for 51.214.186.121.in-addr.arpa. PTR record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for 51.214.186.121.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for 51.214.186.121.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for ns3.lacnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns3.lacnic.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 7 ms
Searching for ns3.lacnic.net. A record at ns2.lacnic.net. [200.3.13.11] ...took 204 ms
Searching for 51.214.186.121.in-addr.arpa. PTR record at ns3.lacnic.net. [200.3.13.14]
...took 199 msSearching for ns3.lacnic.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 7 ms
Searching for ns3.lacnic.net. A record at ns2.lacnic.net. [200.3.13.11] ...took 204 ms
Searching for f.dns.kr. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for f.dns.kr. A record at d.dns.kr. [203.83.159.1] ...took 284 ms
Searching for 51.214.186.121.in-addr.arpa. PTR record at f.dns.kr. [210.101.62.1]
...took 326 msSearching for f.dns.kr. A record at d.dns.kr. [203.83.159.1] ...took 284 ms
Searching for rev2.kornet.net. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for rev2.kornet.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 6 ms
Searching for rev2.kornet.net. A record at ns.kornet.net. [211.216.50.150] ...took 278 ms
Searching for 51.214.186.121.in-addr.arpa. PTR record at rev2.kornet.net. [211.216.50.180]
...took 274 msSearching for rev2.kornet.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 6 ms
Searching for rev2.kornet.net. A record at ns.kornet.net. [211.216.50.150] ...took 278 ms
Nameserver rev2.kornet.net. reports: No such host 51.214.186.121.in-addr.arpa.
Total elapsed query time: 1,638 ms