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dossier_summary — Run the nine DNS, email-authentication and TLS checks on a domain in parallel and return one graded line per check: DNS records, MX, SPF, DM

dossier_dns — Fetch a domain's A, AAAA, NS, SOA, CAA and TXT records in one call. Use as the first step of a DNS review; prefer dns_lookup for a single re

dossier_mx — List a domain's MX (mail exchanger) records sorted by priority. Use to see where a domain's inbound mail goes, or before checking SPF and DM

dossier_spf — Find and parse a domain's SPF record into its mechanisms. Use to check which servers may send mail for a domain, or to debug delivery failur

dossier_dmarc — Find and parse the DMARC policy at _dmarc.<domain> into its tags (p, sp, pct, rua, ruf, adkim, aspf). Use to see whether spoofed mail is rej

dossier_dkim — Probe a domain for DKIM public keys at <selector>._domainkey.<domain>. Pass selectors when you know them; omit to probe a built-in list of c

dossier_dnssec — Check whether a domain's zone is signed with DNSSEC and validates: DS and DNSKEY records plus the resolver's AD (authenticated data) flag. Q

dossier_tlsrpt — Look up a domain's SMTP TLS Reporting policy at _smtp._tls.<domain>. Use to confirm the domain receives reports about failed TLS delivery of