Paste raw email headers to trace MTA transit hops, transmission delays, SPF/DKIM/DMARC verdicts, sender IPs, and spam score heuristics.
Paste any raw SPF record string to validate syntax, mechanisms, qualifiers, CIDR IP notation, and the RFC 7208 10-lookup count—before publishing to DNS.
Look up all DNS record types for a domain—A, AAAA, MX, TXT, NS, CNAME, SOA, and CAA—with live TTL and structured table outputs.
Inspect what the public internet sees about your sending IP or domain: forward-confirmed reverse DNS (FCrDNS), PTR consistency, and multi-zone blacklist health.
Check a domain’s MTA-STS DNS announcement, validate the HTTPS policy file, inspect TLSRPT reporting, and test MX cipher alignment.
Generate a syntactically valid BIMI TXT record with custom selector, HTTPS SVG Tiny P/S logo URL, and VMC certificate authority in seconds.
Verify a domain’s published BIMI DNS record, test SVG Tiny P/S logo accessibility, inspect VMC certificates, and validate required DMARC enforcement.
Run a comprehensive email-domain security audit and receive a transparent 0 to 10 configuration score with a prioritized remediation action checklist.
Audit a sending domain’s complete email DNS stack in one click: MX, SPF, DKIM, and DMARC with evidence-backed pass, warning, and failure verdicts.
Generate personalized animated visuals for your sales outreach. Create lightweight, attention-grabbing animated text cards that boost reply rates in follow-up sequences.