Reverse DNS Lookup for 117.20.116.55

Searching for 55.116.20.117.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 15 ms
Searching for 55.116.20.117.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 267 ms

Searching for rirns.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 15 ms
Searching for rirns.arin.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 25 ms
Searching for rirns.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 91 ms

Searching for 55.116.20.117.in-addr.arpa. PTR record at rirns.arin.net. [199.253.249.53] ...took 91 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 dns1.online.com.kh. [203.189.128.1] ...took 227 ms
Searching for ns1.smart.com.kh. A record at ns1.smart.com.kh. [203.118.242.92] ...took 224 ms

Searching for 55.116.20.117.in-addr.arpa. PTR record at ns1.smart.com.kh. [203.118.242.92] ...took 201 ms
REFUSED
Searching for 55.116.20.117.in-addr.arpa. PTR record at ns2.smart.com.kh. [27.109.112.20] ...took 198 ms
REFUSED
Searching for 55.116.20.117.in-addr.arpa. PTR record at ns2.smart.com.kh. [27.109.112.20] ...took 208 ms
REFUSED
Searching for 55.116.20.117.in-addr.arpa. PTR record at ns1.smart.com.kh. [203.118.242.92] ...took 222 ms
REFUSED

None of the nameservers responded correctly.

Total elapsed query time: 1,799 ms