174 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Email authentication audit of a domain: MX, SPF (lookup count and policy), DMARC policy and reporting, DKIM on common selectors, MTA-STS, TLS-RPT and BIMI, graded A-F with fixes. Use for deliverability and phishing-risk...
DKIM selector scan: tests 50 common DKIM selectors (Google, Microsoft 365, Mailchimp, SendGrid, Amazon SES, Postmark, HubSpot, Zoho, Proton, Fastmail and more) and reports every published key with its type and estimated...
DKIM check for a domain: tests the most common DKIM selectors (google, selector1/selector2 for Microsoft 365, default, k1, mail, dkim, s1, s2, mandrill, mailchimp, sendgrid, zoho, amazonses and more) or a selector you gi...
Detect language, formality and tone of a text with confidence scores. Deterministic heuristics + compact wordlists. Returns iso_639-1 + register. — $0.001 USDC/call on eip155:8453. Pay-per-call via x402 — no API key, no...
Email deliverability audit for a domain: MX records, parsed SPF with qualifier grading, DMARC policy grade, DKIM selector probing (12 common selectors), and DNSBL reputation checks (dronebl, SpamCop, Barracuda, Spamhaus)...
DKIM public key for selector "namecheap" of a domain: looks up namecheap._domainkey.<domain> (TXT, Cloudflare DoH) and parses v=, k=, key type, public-key length, testing flag and whether the key is revoked (empty p=). C...