Validate Email Domain Php -

// Extract domain $domain = substr(strrchr($email, "@"), 1);

function validateEmailFormat($email) return filter_var($email, FILTER_VALIDATE_EMAIL) !== false; validate email domain php

// Check if domain has valid DNS records if (!checkdnsrr($domain, "MX") && !checkdnsrr($domain, "A")) return ["valid" => false, "reason" => "Domain has no MX or A records"]; // Extract domain $domain = substr(strrchr($email, "@"), 1);