Some of very commonly used tools but very usefull when it comes to diagnostic a network and internet protocol.

• My IP Address - checks the 32-bit number of ip address which has been asigned by your internet service provider and the one you are using to connect the internet from.
• Ping - It will send internet control message protocol (ICMP) echo request to test the reachability of the IP or hostname.
• Traceroute - It will trace the Internet Protocol (IP) network route through which path it going through and can all check the transit delays.
• Who Is - Who is tool query the Whois database and display's the domain owner and address.
• Server Status - Checks the status of the services running on the server are online or offline.