Performs a comprehensive DNS audit of mail-related records (MX, NS, SPF, DMARC, DKIM, BIMI, MTA-STS, TLS-RPT) for a domain, email address, or URL. Includes FCrDNS (PTR) validation on the primary MX host, DKIM selector auto-discovery, TXT/CNAME/BOTH record-type modes, pipeline/bulk input, and CSV/JSON export. Runs on Windows (Resolve-DnsName) and Li... More info

Email deliverability diagnostics for any domain - SPF, DKIM, DMARC, MX, PTR, and blacklist sweep (41 lists).