Searching for 21.69.50.124.in-addr.arpa. PTR record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 7 ms
Searching for 21.69.50.124.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 6 ms
Searching for 21.69.50.124.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 6 ms
Searching for ns2.apnic.net. A record at G.ROOT-SERVERS.NET. [192.112.36.4]
...took 29 ms
Searching for ns2.apnic.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 6 ms
Searching for ns2.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for 21.69.50.124.in-addr.arpa. PTR record at ns2.apnic.net. [203.119.95.53]
...took 6 msSearching for ns2.apnic.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 6 ms
Searching for ns2.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for g.dns.kr. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for g.dns.kr. A record at g.dns.kr. [202.31.190.1] ...took 7 ms
Searching for 21.69.50.124.in-addr.arpa. PTR record at g.dns.kr. [202.31.190.1]
...took 7 msSearching for g.dns.kr. A record at g.dns.kr. [202.31.190.1] ...took 7 ms
Nameserver g.dns.kr. reports: No such host 21.69.50.124.in-addr.arpa.
Total elapsed query time: 98 ms