Reverse DNS Lookup for 117.20.117.17

Searching for 17.117.20.117.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 15 ms
Searching for 17.117.20.117.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 7 ms

Searching for ns2.apnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 14 ms
Searching for ns2.apnic.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 31 ms
Searching for ns2.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 12 ms

Searching for 17.117.20.117.in-addr.arpa. PTR record at ns2.apnic.net. [203.119.95.53] ...took 6 ms

Searching for ns1.smart.com.kh. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 15 ms
Searching for ns1.smart.com.kh. A record at ns1.dns.net.kh. [203.223.32.21] ...took 208 ms
Searching for ns1.smart.com.kh. A record at ns2.smart.com.kh. [27.109.112.20] ...took 212 ms

Searching for 17.117.20.117.in-addr.arpa. PTR record at ns1.smart.com.kh. [203.118.242.92] ...took 231 ms
REFUSED
Searching for 17.117.20.117.in-addr.arpa. PTR record at ns2.smart.com.kh. [27.109.112.20] ...took 197 ms
REFUSED
Searching for 17.117.20.117.in-addr.arpa. PTR record at ns1.smart.com.kh. [203.118.242.92] ...took 211 ms
REFUSED
Searching for 17.117.20.117.in-addr.arpa. PTR record at ns2.smart.com.kh. [27.109.112.20] ...took 230 ms
REFUSED

None of the nameservers responded correctly.

Total elapsed query time: 1,389 ms