Searching for 5.207.69.220.in-addr.arpa. PTR record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 25 ms
Searching for 5.207.69.220.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 170 ms
Searching for 5.207.69.220.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 170 ms
Searching for apnic.authdns.ripe.net. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for apnic.authdns.ripe.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 24 ms
Searching for apnic.authdns.ripe.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for 5.207.69.220.in-addr.arpa. PTR record at apnic.authdns.ripe.net. [193.0.9.9]
...took 12 msSearching for apnic.authdns.ripe.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 24 ms
Searching for apnic.authdns.ripe.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for g.dns.kr. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for g.dns.kr. A record at b.dns.kr. [210.101.60.1] ...took 279 ms
Searching for 5.207.69.220.in-addr.arpa. PTR record at g.dns.kr. [202.31.190.1]
...took 7 msSearching for g.dns.kr. A record at b.dns.kr. [210.101.60.1] ...took 279 ms
Searching for ns0.sch.ac.kr. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 11 ms
Searching for ns0.sch.ac.kr. A record at e.dns.kr. [202.30.124.100] ...took 275 ms
Searching for ns0.sch.ac.kr. A record at ns2.sch.ac.kr. [211.216.50.160] ...took 274 ms
Searching for 5.207.69.220.in-addr.arpa. PTR record at ns0.sch.ac.kr. [220.69.193.132]
...took 319 msSearching for ns0.sch.ac.kr. A record at e.dns.kr. [202.30.124.100] ...took 275 ms
Searching for ns0.sch.ac.kr. A record at ns2.sch.ac.kr. [211.216.50.160] ...took 274 ms
Nameserver ns0.sch.ac.kr. reports: No such host 5.207.69.220.in-addr.arpa.
Total elapsed query time: 1,435 ms