How To Fix Dns Lookup Failed

Dns is the heart of the internet. Without DNS we can not surf over websites easily. But some times Dns may not work properly. We...

Nmap Host Discovery

Before start any port, script or version scan hosts should be discovered. Only discovered hosts will be scanned by port,service or version. List Scan List...

Nmap Target Specification

Requirement for scanning is target specification. Nmap provides different methodologies to set targets. Single Host Address This is the simplest and mostly used target specification....

Popular Free DNS Services Around The World

DNS is important protocol for internet. Without DNS protocol we can not use internet effectively. DNS resolves domain and host names into IP addressees where...