Searching for 193.19.131.121.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 193.19.131.121.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 119 ms
Searching for 193.19.131.121.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 119 ms
Searching for ns2.apnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for ns2.apnic.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 24 ms
Searching for ns2.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for 193.19.131.121.in-addr.arpa. PTR record at ns2.apnic.net. [203.119.95.53]
...took 6 msSearching for ns2.apnic.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 24 ms
Searching for ns2.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for c.dns.kr. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for c.dns.kr. A record at d.dns.kr. [203.83.159.1] ...took 224 ms
Searching for 193.19.131.121.in-addr.arpa. PTR record at c.dns.kr. [210.101.61.1]
...took 227 msSearching for c.dns.kr. A record at d.dns.kr. [203.83.159.1] ...took 224 ms
Searching for rev1.kornet.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for rev1.kornet.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 31 ms
Searching for rev1.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 285 ms
Searching for 193.19.131.121.in-addr.arpa. PTR record at rev1.kornet.net. [211.216.50.170]
...took 278 msSearching for rev1.kornet.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 31 ms
Searching for rev1.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 285 ms
Nameserver rev1.kornet.net. reports: No such host 193.19.131.121.in-addr.arpa.
Total elapsed query time: 1,270 ms