Searching for 157.251.192.211.in-addr.arpa. PTR record at L.ROOT-SERVERS.NET. [199.7.83.42]
...took 9 ms
Searching for 157.251.192.211.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 181 ms
Searching for 157.251.192.211.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 181 ms
Searching for ns1.apnic.net. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 20 ms
Searching for ns1.apnic.net. A record at h.gtld-servers.net. [192.54.112.30] ...took 7 ms
Searching for ns1.apnic.net. A record at ns2.apnic.net. [203.119.95.53] ...took 219 ms
Searching for 157.251.192.211.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 166 msSearching for ns1.apnic.net. A record at h.gtld-servers.net. [192.54.112.30] ...took 7 ms
Searching for ns1.apnic.net. A record at ns2.apnic.net. [203.119.95.53] ...took 219 ms
Searching for b.dns.kr. A record at L.ROOT-SERVERS.NET. [199.7.83.42]
...took 7 ms
Searching for b.dns.kr. A record at c.dns.kr. [210.101.61.1] ...took 278 ms
Searching for 157.251.192.211.in-addr.arpa. PTR record at b.dns.kr. [210.101.60.1]
...took 283 msSearching for b.dns.kr. A record at c.dns.kr. [210.101.61.1] ...took 278 ms
Searching for rev1.kornet.net. A record at C.ROOT-SERVERS.NET. [192.33.4.12]
...took 12 ms
Searching for rev1.kornet.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 24 ms
Searching for rev1.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 306 ms
Searching for 157.251.192.211.in-addr.arpa. PTR record at rev1.kornet.net. [211.216.50.170]
...took 293 msSearching for rev1.kornet.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 24 ms
Searching for rev1.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 306 ms
Nameserver rev1.kornet.net. reports: No such host 157.251.192.211.in-addr.arpa.
Total elapsed query time: 1,805 ms