Searching for 117.10.247.203.in-addr.arpa. PTR record at E.ROOT-SERVERS.NET. [192.203.230.10]
...took 6 ms
Searching for 117.10.247.203.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 267 ms
Searching for 117.10.247.203.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 267 ms
Searching for ns2.apnic.net. A record at C.ROOT-SERVERS.NET. [192.33.4.12]
...took 11 ms
Searching for ns2.apnic.net. A record at h.gtld-servers.net. [192.54.112.30] ...took 6 ms
Searching for ns2.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 11 ms
Searching for 117.10.247.203.in-addr.arpa. PTR record at ns2.apnic.net. [203.119.95.53]
...took 6 msSearching for ns2.apnic.net. A record at h.gtld-servers.net. [192.54.112.30] ...took 6 ms
Searching for ns2.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 11 ms
Searching for e.dns.kr. A record at C.ROOT-SERVERS.NET. [192.33.4.12]
...took 10 ms
Searching for e.dns.kr. A record at c.dns.kr. [210.101.61.1] ...took 299 ms
Searching for 117.10.247.203.in-addr.arpa. PTR record at e.dns.kr. [202.30.124.100]
...took 283 msSearching for e.dns.kr. A record at c.dns.kr. [210.101.61.1] ...took 299 ms
Searching for ns.kmu.ac.kr. A record at C.ROOT-SERVERS.NET. [192.33.4.12]
...took 10 ms
Searching for ns.kmu.ac.kr. A record at d.dns.kr. [203.83.159.1] ...took 242 ms
Searching for ns.kmu.ac.kr. A record at ns.kmu.ac.kr. [203.247.29.1] ...took 278 ms
Searching for 117.10.247.203.in-addr.arpa. PTR record at ns.kmu.ac.kr. [203.247.29.1]
...took 330 msSearching for ns.kmu.ac.kr. A record at d.dns.kr. [203.83.159.1] ...took 242 ms
Searching for ns.kmu.ac.kr. A record at ns.kmu.ac.kr. [203.247.29.1] ...took 278 ms
Nameserver ns.kmu.ac.kr. reports: No such host 117.10.247.203.in-addr.arpa.
Total elapsed query time: 1,759 ms