What PHP function can be used to retrieve the IP address of a dynamic domain like a dyndns.org address?

When trying to retrieve the IP address of a dynamic domain like a dyndns.org address, you can use the `gethostbyname()` function in PHP. This function will return the IP address associated with the given domain name. By passing the dyndns.org address as a parameter to `gethostbyname()`, you can retrieve the current IP address assigned to that domain. 

$domain = 'your-dyndns-domain.dyndns.org';
$ip = gethostbyname($domain);

echo "The IP address of $domain is: $ip";

Keywords

PHP function retrieve IP address dynamic domain

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