dnsexpire
PHP tool to test CNAME expiration date of a subdomain list
Note that this is an automated tool, manual check is still required.
Usage: php dnsexpire.php [OPTIONS] -f <subdomain|input file>
Options:
-a set alert for result output, default=30 days
-f subdomains list source file
-h print this help
Examples:
php dnsexpire.php -f example.com
php dnsexpire.php -a 10 -f dns.txt
I don't believe in license.
You can do want you want with this program.