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

Bulk-check domains for email setup & authentication over DNS: MX + provider, SPF, DMARC policy, DKIM selectors, with a deliverability score. One JSON row per domain.

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 a domain's email deliverability: SPF, DKIM, DMARC and policy, MX and mail provider, catch-all and blacklist checks, domain age, and a 0 to 100 health score. Flat JSON, Clay ready.

DMARC & Email Security Checker

taroyamada/dns-dmarc-security-checker

Validate domain infrastructure in bulk to boost email deliverability. Extract DMARC policies, SPF records, and MX configurations to keep outreach out of spam.

Bulk Email Verifier & Finder - Mailbox Exists, SPF/DKIM/DMARC

apivault_labs/email-deliverability-checker

Bulk email verifier & finder: live mailbox check (accepted/rejected/catch-all), SPF/DKIM/DMARC, spam-trap & blacklist, typo fix, find emails by name+company. Pay only for definitive results.

Bulk Domain Email Security Checker

automation-lab/bulk-domain-email-security-checker

Audit SPF, DMARC, MX, and DKIM DNS posture for bulk domain lists with scores, risk flags, and raw records.

Bulk Email Validator — Verify & Clean Lists API

nexgendata/email-validator

Validate thousands of emails in bulk with DNS MX verification, syntax checking, disposable detection & free provider ID. Cheaper than ZeroBounce ($0.005 vs $0.008/email). Clean lists before campaigns to protect sender reputation.

Bulk Email DNS Audit Scraper

taroyamada/email-deliverability-portfolio-audit

Scrape domain DNS data to extract SPF, DKIM, DMARC, and BIMI records. Generate structured deliverability readiness reports for client portfolios.

Complete website & domain audit in one run: SSL/TLS, DNS, SPF/DKIM/DMARC email security, security headers, tech stack, WHOIS, blacklist & uptime — with a health score and fix list. No API key.

Bulk DNS lookup API for domain records. Check A, AAAA, MX, NS, TXT, CNAME, SOA, and SRV records across many domains for email deliverability, SPF/DKIM/DMARC checks, DNS migrations, security audits, and infrastructure monitoring.