Searching for 28.130.172.112.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 11 ms
Searching for 28.130.172.112.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 177 ms
Searching for 28.130.172.112.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 177 ms
Searching for ns1.apnic.net. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for ns1.apnic.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 25 ms
Searching for ns1.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 191 ms
Searching for 28.130.172.112.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 191 msSearching for ns1.apnic.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 25 ms
Searching for ns1.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 191 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 e.dns.kr. [202.30.124.100] ...took 280 ms
Searching for 28.130.172.112.in-addr.arpa. PTR record at g.dns.kr. [202.31.190.1]
...took 6 msSearching for g.dns.kr. A record at e.dns.kr. [202.30.124.100] ...took 280 ms
Nameserver g.dns.kr. reports: No such host 28.130.172.112.in-addr.arpa.
Total elapsed query time: 904 ms