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 c.in-addr-servers.arpa. [196.216.169.10] ...took 175 ms

Searching for rirns.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 14 ms
Searching for rirns.arin.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 12 ms
Searching for rirns.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 153 ms

Searching for 245.1.155.203.in-addr.arpa. PTR record at rirns.arin.net. [199.253.249.53] ...took 92 ms

Searching for abac.au.ac.th. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 15 ms
Searching for abac.au.ac.th. A record at ns.thnic.net. [202.28.0.1] ...took 198 ms
Searching for abac.au.ac.th. A record at abac.au.ac.th. [202.6.100.1] ...took 192 ms

Searching for 245.1.155.203.in-addr.arpa. PTR record at abac.au.ac.th. [202.6.100.1] ...took 195 ms
REFUSED
Searching for 245.1.155.203.in-addr.arpa. PTR record at ksc.au.ac.th. [168.120.136.2] ...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 193 ms
REFUSED
Searching for 245.1.155.203.in-addr.arpa. PTR record at abac.au.ac.th. [202.6.100.1] ...took 193 ms
REFUSED

None of the nameservers responded correctly.

Total elapsed query time: 1,639 ms