Reverse DNS Lookup
This tool will provide you the hostname (ie www.yahoo.com) of the IP address that you enter below.
Results:
Lookup on IPv4 Address: 5.188.67.135
Hostname: Mail.qcp.kz
Hostname: Mail.cls-international.com
Hostname: Mail.forwarder.kz
Hostname: Mail.qdp.kz
Hostname: Mail.gafurovs.com