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Vanessa Vasile's Blog:
Using PHP to Perform DNS Lookups
July 01, 2010 @ 11:37:51

In a handy little post to her blog today Vanessa Vasile has an example of how to use built-in PHP functions to perform DNS lookups in your scripts.

PHP has a couple DNS functions you can use to perform record lookups. Most of us are familiar with the two basic ones - gethostbyname() and gethostbyaddr(), both of which perform a single function '" returning a hostname or IP address.

She also mentions the gethostbynamel and dns_get_record functions that can give you even more insight into the current DNS of a given domain (even returning only record-type specific information).

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