Searching for 7.74.78.121.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 11 ms
Searching for 7.74.78.121.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 152 ms
Searching for 7.74.78.121.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 152 ms
Searching for ns2.apnic.net. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 69 ms
Searching for ns2.apnic.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 26 ms
Searching for ns2.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 17 ms
Searching for 7.74.78.121.in-addr.arpa. PTR record at ns2.apnic.net. [203.119.95.53]
...took 5 msSearching for ns2.apnic.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 26 ms
Searching for ns2.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 17 ms
Searching for g.dns.kr. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for g.dns.kr. A record at d.dns.kr. [203.83.159.1] ...took 284 ms
Searching for 7.74.78.121.in-addr.arpa. PTR record at g.dns.kr. [202.31.190.1]
...took 6 msSearching for g.dns.kr. A record at d.dns.kr. [203.83.159.1] ...took 284 ms
Nameserver g.dns.kr. reports: No such host 7.74.78.121.in-addr.arpa.
Total elapsed query time: 581 ms