The Dmarc analyzer is a free tool that can be used to scan both email sources and the intended target of incoming mail. The analyzer will then check DMARC compliance, DKIM signing for emails that pass SPF Checking, and review Sender Authentication. Ensure Email Domain & protect your brand from Spam. Dmarc Analyzer is an Email Domain Management and Rights Protection (EDMRP) solution. It can protect your brand from phishing and other cyber attacks by analyzing the domain’s DKIM, SPF information, and more, Dmarc analyzer will check your domain’s DNS setting and verify if your domain is set up correctly.