These free tools have been designed to validate and check the health of your public DNS servers. Please read the Disclaimer before using them.

The tools are available in their respective tabs:

• With the tools located under DNS tab you can perform general name server tests.
• With the tools located under Lookups tab you can perform whois/dns/reverse dns queries.
• With the tools located under IP Addresses tab you can perform ping and traceroute queries and calculate the netmask for your network.