SPF, DKIM & DMARC Checker - Bulk Email Deliverability Audit

Bulk Email Deliverability Checker - SPF, DKIM, DMARC, MX

codeblix/email-deliverability-checker

Audit thousands of domains for email authentication, DNS issues, and deliverability risk. Checks SPF, DKIM, DMARC, MX, DNSSEC, MTA-STS, TLS-RPT, BIMI. No login, no proxy, no API keys needed.

Bulk Email Deliverability Checker — MX, SPF, DKIM, DMARC & BIMI

logiover/bulk-email-deliverability-checker

Check email deliverability for thousands of domains in bulk. Verifies MX records, parses SPF policies, discovers DKIM selectors, parses DMARC tags and checks BIMI. Returns a detailed deliverability score per domain. No API key — ideal for cold email campaigns and email marketing audits.

Audit any domain's email authentication (MX, SPF, DMARC, BIMI, DKIM) and get a deliverability score with actionable issues.

Email Domain Security Auditor — $0.50/1K

scrapesignal_labs/email-domain-security-auditor

Audit MX, SPF, DMARC, DKIM, MTA-STS, TLS-RPT, BIMI, DNS, provider, issues, and readiness score for domain lists.

Email & Domain Auth Checker: MX, SPF, DKIM & DMARC

apifmcpfactory/email-domain-checker

Checks an email or domain's deliverability signals from DNS alone: MX, SPF, DKIM, DMARC, plus disposable and role-address flags. No SMTP, no mailbox ping. It reports auth-record posture, not mailbox existence. $0.005 per input checked.

Audit a domain's SPF, DMARC, and DKIM email authentication DNS records for deliverability and security readiness.

Bulk-check SPF, DKIM, DMARC, MX, MTA-STS, TLS-RPT and BIMI for any list of domains. Get a 0-100 score, an A-F grade and plain-English fixes.

Email Security & Deliverability Analyzer — SPF DKIM DMARC

perryay/email-security-analyzer

Enterprise email domain security audit: SPF/DKIM/DMARC/BIMI/MTA-STS DNS validation, 50+ blacklist scans, MX record analysis with IP resolution, deliverability scoring (0-100), and detailed remediation advice.

Bulk Email Health: SPF, DMARC, DKIM & MX Checker

cottony_brittlegill/domain-mailhealth-bulk

Bulk email deliverability and security audit: MX, SPF, DMARC and DKIM (common selectors) for up to 100,000 domains in one normalized JSON per domain, with an A-F grade and actionable issues. Failed lookups are never charged.

Check domain availability and fetch WHOIS records, DNS records, and SSL certificate details in one call. Supports bulk domain lists — useful for domain research, brand monitoring, and infrastructure audits.