Free tools from the team behind Varaxon Scan Hub. Paste a CVE ID to see if it's on CISA's Known Exploited Vulnerabilities list, its EPSS exploit score and CVSS severity, with a plain-English verdict on how urgently to fix it. Check whether anyone can send email pretending to be your domain: SPF, DKIM and DMARC graded A to F, with the exact DNS records to fix it. Plus a DMARC record generator and MX lookup. No account needed, public records only, nothing stored.