Last Update November 3, 2020: We improved the overall article.
Many people would like to get more information on a particular domain name or need to check the DNS records or just need to find the ping speed of a hostname.
Network troubleshooting tools are a necessity for every network administrator.
This article reviews the top FREE tools that can help you troubleshoot most networking issues.
You can use these tools to determine the IP address associated with a domain name, obtain the mail server settings for a domain, and much more.
Domain Name Server (DNS) lookups that means when you try to know where the domain is hosted.in these tools provided the information about where the domain is hosted.
Even though you can do these things from your own computers with Dig and Nslookup, it can often be useful to be able to perform DNS lookups from different locations to verify consistent DNS behavior and settings.
DNS health tests
A domain health test is very important. as a system administrator, you just need to test your DNS health.
if you are having DNS-related problems than These tests will look at the DNS settings for a domain name and its authoritative DNS servers and flag anything they consider a problem or potential problem.
Get more information about an IP address, for example, to see where it is hosted.
The most common tool here is IP WHOIS, which is similar to a domain WHOIS but with information regarding who owns an IP address (often an ISP or data center).
Network tests & status
Basic network connectivity tests can be useful to do from different locations to help you narrow down a problem.
For that reason, it’s useful to have access to several different services that can perform ping and traceroutes (we can assume they all use different servers).