Searching for 139.117.154.221.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 139.117.154.221.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 90 ms
Searching for 139.117.154.221.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 90 ms
Searching for ns1.apnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for ns1.apnic.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 24 ms
Searching for ns1.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 254 ms
Searching for 139.117.154.221.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 267 msSearching for ns1.apnic.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 24 ms
Searching for ns1.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 254 ms
Searching for d.dns.kr. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for d.dns.kr. A record at e.dns.kr. [202.30.124.100] ...took 281 ms
Searching for 139.117.154.221.in-addr.arpa. PTR record at d.dns.kr. [203.83.159.1]
...took 224 msSearching for d.dns.kr. A record at e.dns.kr. [202.30.124.100] ...took 281 ms
Searching for rev1.kornet.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for rev1.kornet.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 24 ms
Searching for rev1.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 291 ms
Searching for 139.117.154.221.in-addr.arpa. PTR record at rev1.kornet.net. [211.216.50.170]
...took 286 msSearching for rev1.kornet.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 24 ms
Searching for rev1.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 291 ms
Nameserver rev1.kornet.net. reports: No such host 139.117.154.221.in-addr.arpa.
Total elapsed query time: 1,800 ms