Reverse DNS Lookup for 203.155.1.245

Searching for 245.1.155.203.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 15 ms
Searching for 245.1.155.203.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 140 ms

Searching for ns1.apnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 14 ms
Searching for ns1.apnic.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 12 ms
Searching for ns1.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 12 ms

Searching for 245.1.155.203.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53] ...took 238 ms

Searching for abac.au.ac.th. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 14 ms
Searching for abac.au.ac.th. A record at nn1.thains.co.th. [194.146.106.154] ...took 6 ms
Searching for abac.au.ac.th. A record at ksc.au.ac.th. [168.120.136.2] ...took 192 ms

Searching for 245.1.155.203.in-addr.arpa. PTR record at abac.au.ac.th. [202.6.100.1] ...took 192 ms
REFUSED
Searching for 245.1.155.203.in-addr.arpa. PTR record at ksc.au.ac.th. [168.120.136.2] ...took 191 ms
REFUSED
Searching for 245.1.155.203.in-addr.arpa. PTR record at abac.au.ac.th. [202.6.100.1] ...took 191 ms
REFUSED
Searching for 245.1.155.203.in-addr.arpa. PTR record at ksc.au.ac.th. [168.120.136.2] ...took 193 ms
REFUSED

None of the nameservers responded correctly.

Total elapsed query time: 1,410 ms