Hostname or IP
Type
Searching for 121.52.137.125.in-addr.arpa. PTR record at E.ROOT-SERVERS.NET. [192.203.230.10] ...took 2 ms
Searching for 121.52.137.125.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 136 ms
Searching for apnic1.dnsnode.net. A record at E.ROOT-SERVERS.NET. [192.203.230.10] ...took 3 ms
Searching for apnic1.dnsnode.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 2 ms
Searching for apnic1.dnsnode.net. A record at nsu.dnsnode.net. [185.42.137.98] ...took 36 ms
Searching for 121.52.137.125.in-addr.arpa. PTR record at apnic1.dnsnode.net. [194.146.106.106] ...took 1 ms
Searching for f.dns.kr. A record at E.ROOT-SERVERS.NET. [192.203.230.10] ...took 2 ms
Searching for f.dns.kr. A record at f.dns.kr. [218.38.181.90] ...took 243 ms
Searching for 121.52.137.125.in-addr.arpa. PTR record at f.dns.kr. [218.38.181.90] ...took 243 ms
Searching for rev1.kornet.net. A record at E.ROOT-SERVERS.NET. [192.203.230.10] ...took 4 ms
Searching for rev1.kornet.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 1 ms
Searching for rev1.kornet.net. A record at ns.kornet.net. [211.216.50.150] ...took 306 ms
Searching for 121.52.137.125.in-addr.arpa. PTR record at rev1.kornet.net. [211.216.50.170] ...took 322 ms

Nameserver rev1.kornet.net. reports: No such host 121.52.137.125.in-addr.arpa.



Total elapsed query time: 1,301 ms
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