Reverse DNS Lookup for 117.20.115.152

Searching for 152.115.20.117.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 15 ms
Searching for 152.115.20.117.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 187 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 152.115.20.117.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 ns4.apnic.net. [202.12.31.53] ...took 17 ms
Searching for ns1.smart.com.kh. A record at ns2.smart.com.kh. [27.109.112.20] ...took 211 ms

Searching for 152.115.20.117.in-addr.arpa. PTR record at ns1.smart.com.kh. [203.118.242.92] ...took 230 ms
REFUSED
Searching for 152.115.20.117.in-addr.arpa. PTR record at ns2.smart.com.kh. [27.109.112.20] ...took 213 ms
REFUSED
Searching for 152.115.20.117.in-addr.arpa. PTR record at ns2.smart.com.kh. [27.109.112.20] ...took 212 ms
REFUSED
Searching for 152.115.20.117.in-addr.arpa. PTR record at ns1.smart.com.kh. [203.118.242.92] ...took 229 ms
REFUSED

None of the nameservers responded correctly.

Total elapsed query time: 1,392 ms