Try MailSec

Enter any domain and get an instant email security audit. Check SPF, DKIM, DMARC, DNSSEC, MX, blacklists, and more -- powered by the MailSec API.

Free demo -- no API key needed. Limited to 5 checks per minute per IP.

Replace your multi-tab audit workflow

Stop juggling dig, whois, and mxtoolbox. One call returns everything you'd need three tools to gather. Free for the first 1,000 domains.

Replace your multi-tab audit workflow