What is the recommended method to implement a domain check feature on a website using PHP?

To implement a domain check feature on a website using PHP, you can utilize the `checkdnsrr()` function in PHP. This function allows you to check if a given domain has a specified record type (e.g., MX, A, CNAME, etc.) associated with it. By using this function, you can easily verify the existence of a domain before proceeding with any further actions on your website. 

$domain = 'example.com';
$record_type = 'MX';

if(checkdnsrr($domain, $record_type)) {
    echo 'Domain exists with ' . $record_type . ' record.';
} else {
    echo 'Domain does not exist with ' . $record_type . ' record.';
}

Keywords

domain check website PHP implementation recommended method

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