SPF, DMARC & DKIM Checker (Bulk Domains)

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.

DNS Lookup | Scrape Domain Records & Security Intelligence

datascoutapi/dns-lookup

DNS lookup scrapes 22 data points including 10 DNS records (A, AAAA, MX, TXT, NS, CNAME, SOA, SRV, PTR, CAA) + email security analysis ( SPF/DKIM/DMARC), SSL certificate checker, domain monitoring. Processes 100 domains per batch with security scoring.

Email Data Breach Checker

lofomachines/email-breach-checker

Check if your email has been compromised in a data breach. Scan one or hundreds of emails in bulk to find leaked passwords, exposed accounts, and stolen credentials. Get a full risk score, breach history, and affected sites — fast, accurate, and affordable.

Check public email authentication DNS readiness for domains: MX, SPF, DMARC, DKIM selectors, BIMI, MTA-STS, TLS-RPT, risk labels, stable hashes, and useful-result pricing.

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.

Enrich domains with RDAP registration dates, registrar, status flags, nameservers, DNS records (A/AAAA/MX/TXT/SPF/DMARC/CAA) & TLS certificate details. By Physea Labs · Liminal. 90% OFF first week!

SPF, DKIM & DMARC Checker – Bulk Email Deliverability Audit

gazidev/email-auth-checker

Bulk SPF, DKIM and DMARC checker for thousands of domains: MX, SPF 10-lookup limit, DMARC policy & rua, 65 DKIM selectors, BIMI, MTA-STS, TLS-RPT, Gmail/Yahoo bulk-sender readiness, 0-100 score, A-F grade and fix list. $1 per 1,000 domains.

Email Domain Health Check: SPF, DKIM, DMARC, MX, BIMI

lathewright/email-domain-health-check

Returns a domain's email setup from public DNS: MX and provider, SPF with lookup count, DMARC policy, DKIM selectors, MTA-STS, TLS-RPT, BIMI and DNSSEC, with a 0 to 100 score, letter grade and plain-English fixes. No personal data. For deliverability and AI agents.

Verify email addresses in bulk without sending messages: syntax, live DNS MX, SPF/DMARC, disposable/free/role detection, typo suggestions, Gravatar, and deliverability score.

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.