Pricing

from $1.80 / 1,000 domain observations

Domain DNS & Email Policy Monitor - SPF, DMARC, MX

Read public DNS records and SPF, DMARC, MX and supplied DKIM selectors. Compare complete observations over time with per-query errors. No API key or mailbox access required.

Pricing

from $1.80 / 1,000 domain observations

Rating

0.0

(0)

Developer

Brandt May

Actor stats

Bookmarked

Total users

Monthly active users

2 days ago

Last modified

Email DNS Change Monitor — MX, SPF & DMARC

longish_whistle/email-dns-change-monitor

Check domain lists for email DNS changes, missing MX, multiple SPF records and published DMARC policies. Get before/after evidence and CSV. No emails sent or mailbox probing.

Tender Delta

Domain DNS & Email Security Checker

webdatatools/dns-email-security-checker

Domain DNS & Email Security Checker returns SPF, DKIM, DMARC, MX, MTA-STS, BIMI, CAA, nameservers, registrar and domain age for every domain you give it — one scored row per domain.

Murat Uzun

Email DNS & DMARC Change Monitor

ironstark_daysky/email-dns-drift-monitor

Monitor SPF, DMARC, MX, and DKIM records, detect configuration changes between runs, and flag email security regressions.

Caio Fábio M Silva

Company Email Security Checker

lowlanddata/company-email-security

Check SPF, DMARC, DKIM, MX and BIMI for a list of domains in bulk and get an A-to-F email-security grade plus the mail provider. Pure DNS - no scraping, no blocks. GDPR-clean. Free on a domain that doesn't resolve.

Lowland Data

Operational Asset Monitor

silicon1235/operational-asset-monitor

Monitor public HTTPS endpoints, domains, DNS/email posture, SPF, DMARC, MTA-STS, TLS-RPT, CAA, security.txt, and security headers for operational alerts.

X L

Public Email Auth DNS Readiness Agent

jacksu/public-email-auth-dns-readiness-agent

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.

jack su

Email Deliverability DNS Audit

conserving_mastodon/email-dns-audit

SPF, DKIM, DMARC, and MX for any domain, parsed and graded A-F with a concrete fix list: enforcement qualifiers, lookup-limit risk, DMARC policy strength, missing DKIM selectors. The interpretation layer raw DNS lookups don't give you. Charged only when the audit completes.

Chris Arsenault

Email Domain Blacklist Checker

trovevault/email-domain-blacklist-checker

Check any domain against 15 email blacklists (Spamhaus, SURBL, SpamCop, Barracuda and more) and validate SPF, DMARC and MX records. No API keys required. Export data, run via API, schedule and monitor runs, or integrate with other tools.

Trove Vault

DMARC & Email Security Checker

taroyamada/dns-dmarc-security-checker

Try for free → Input → Start (1 domain ≈ USD 0.008 total). Validate domain infrastructure in bulk to boost email deliverability. Extract DMARC policies, SPF records. From USD 0.008 total.

naoki anzai

Email Domain Security & Deliverability Auditor

feeng/email-domain-security-deliverability-auditor

🛡️ Audit MX, SPF, DMARC, DKIM, MTA-STS, TLS-RPT, BIMI, CAA, DNSSEC, and web TLS without sending email. Get evidence-backed security and deliverability scores, prioritized fixes, and a client-ready report.

Daniel S.

Domain Health Checker

zinin/domain-health-checker

Audit DNS resolution, MX, SPF, DMARC, name servers, and TLS for a list of domains. Complete evidence cards include a 0–100 score, source states, issues, confidence, data gaps, and a next action. Incomplete or unsafe destinations remain unscored and are not billed as results.