SPFWise: Email Security & DMARC Checker

Check any site's email security in one click. SPF, DKIM and DMARC graded A+ to F, with the exact records to fix.

Click the SPFWise icon and get an email security grade for the site you are on. The extension reads the domain's live DNS records and scores everything that decides whether its mail lands in the inbox or in the spam folder. WHAT IT CHECKS - SPF: which servers are allowed to send mail for the domain, the 10 lookup limit, softfail vs hardfail - DKIM: signing keys and selectors - DMARC: policy and enforcement (p=none, quarantine or reject) - MX, blocklists (DNSBL), DNSSEC, MTA-STS, TLS-RPT and BIMI You get a grade from A+ to F, a score out of 100 and the most important fixes called out in plain words. One more click opens the full report on spfwise.com, where every finding comes with the exact DNS record to publish, ready to copy into your DNS host. WHO IT IS FOR Shop owners and marketers who keep hearing "your email went to spam". IT admins and agencies checking client domains. Anyone who wants to see if a sender can be spoofed before trusting mail from them. HOW IT BEHAVES - Scans only when you click the icon. No background activity, no content scripts, nothing injected into pages. - Only the domain name is sent to the SPFWise API. No browsing history leaves your browser, no account needed, no ads, no tracking. - Results cache for an hour and your recent scans stay one click away. You can clear them anytime. - Light and dark themes, seven languages. The check is free and stays free. Continuous monitoring, DMARC aggregate reports and alerts are available with an account at spfwise.com.