MXtoolbox - A Free Web-Based Tool for Checking MX Records
With it, you can easily check the MX records of a domain, a particular email address, or a given website. You can even verify that a given website exists on the internet.
MXtoolbox is easy to use. Just paste a domain name in the input field, press Go, and you'll see all the records.
This is a good way to check if a website exists or not.
If you're not sure what an A or MX record is, you can learn more about them in the documentation.
It's possible to check A and MX records directly from the context menu of your browser.
You can also create custom searches and check if they exist.
For example, if you're interested in checking the A records of a certain email address, you can paste its domain name in the input field and click Go.
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