Reverse DNS Lookup for 1.55.97.234

Searching for 234.97.55.1.in-addr.arpa. PTR record at D.ROOT-SERVERS.NET. [199.7.91.13] ...took 11 ms
Searching for 234.97.55.1.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 156 ms

Searching for apnic.authdns.ripe.net. A record at J.ROOT-SERVERS.NET. [192.58.128.30] ...took 11 ms
Searching for apnic.authdns.ripe.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 13 ms
Searching for apnic.authdns.ripe.net. A record at ns3.afrinic.net. [204.61.216.100] ...took 11 ms

Searching for 234.97.55.1.in-addr.arpa. PTR record at apnic.authdns.ripe.net. [193.0.9.9] ...took 11 ms

Searching for dns1.fpt.vn. A record at K.ROOT-SERVERS.NET. [193.0.14.129] ...took 12 ms
Searching for dns1.fpt.vn. A record at h.dns-servers.vn. [202.47.142.105] ...took 212 ms
Searching for dns1.fpt.vn. A record at dns-a.fpt.vn. [210.245.86.239] ...took 214 ms

Searching for 234.97.55.1.in-addr.arpa. PTR record at dns1.fpt.vn. [210.245.0.131]

Query timed out (interrupted after 2,002 milliseconds)

Retrying...

Searching for dns2.fpt.vn. A record at B.ROOT-SERVERS.NET. [192.228.79.201] ...took 57 ms
Searching for dns2.fpt.vn. A record at e.dns-servers.vn. [203.119.60.105] ...took 217 ms
Searching for dns2.fpt.vn. A record at dns-b.fpt.vn. [118.69.166.10] ...took 312 ms

Searching for 234.97.55.1.in-addr.arpa. PTR record at dns2.fpt.vn. [210.245.0.10] ...took 310 ms
REFUSED
Searching for 234.97.55.1.in-addr.arpa. PTR record at dns2.fpt.vn. [210.245.0.10] ...took 304 ms
REFUSED
Searching for 234.97.55.1.in-addr.arpa. PTR record at dns1.fpt.vn. [210.245.0.131]

Query timed out (interrupted after 2,002 milliseconds)

None of the nameservers responded correctly.

Total elapsed query time: 5,855 ms