WhoIs Lookup on a website domain with PHP (Mac/Linux)

PHP tutorial showing how to run a WhoIs Search on a website domain name using PHP.
WhoIs is a widely used protocol that is used for querying domain registry information, such as a domain name and an IP address block, but is also used for a wider range of other information.

If you liked this video you might like my screencast on “Getting the location from an IP address, IPinfo API and PHP” where I demonstrate how to get a users location via there IP address using PHP.

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