{"slug":"netintel-dev-email-auth-d8462a","title":"Email deliverability & domain security check — validates SPF, DKIM (multi-select","host":"netintel.dev","method":"POST","resource":"https://netintel.dev/email-auth","category":"other","description":"Email deliverability & domain security check — validates SPF, DKIM (multi-selector), and DMARC, detects spoofing and misconfigurations, and returns an A–F email security grade with transparent deductions. Anti-spam / anti-phishing readiness for any sending domain.","price_listed":0.002,"price_asked":null,"state":"effects","state_label":"Not tested: has real-world effects","checks_7d":0,"answered_7d":0,"latency_ms_median":null,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"domain":"example.com"},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"properties":{"dkim_selectors":{"description":"Optional list of DKIM selectors to probe (defaults to common selectors)","items":{"type":"string"},"type":"array"},"domain":{"description":"Domain to validate email authentication for (e.g. example.com)","type":"string"}},"required":["domain"],"type":"object"},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"method":{"enum":["POST"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method","bodyType","body"],"type":"object"},"output":{"properties":{"example":{"properties":{"deductions":{"type":"array"},"dkim":{"type":"object"},"dmarc":{"type":"object"},"domain":{"type":"string"},"grade":{"type":"string"},"resolves":{"description":"Whether the domain has mail infrastructure (MX/A) — false adds a -100 no-mail-infrastructure deduction","type":"boolean"},"score":{"type":"number"},"spf":{"type":"object"}},"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[],"description_full":"Email deliverability & domain security check — validates SPF, DKIM (multi-selector), and DMARC, detects spoofing and misconfigurations, and returns an A–F email security grade with transparent deductions. Anti-spam / anti-phishing readiness for any sending domain.","last_updated":"2026-08-26T06:24:50.733Z","schemes":["exact"]}