Pricing

from $4.25 / 1,000 domain health evidence cards

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.

Pricing

from $4.25 / 1,000 domain health evidence cards

Rating

0.0

(0)

Developer

Tim Zinin

Actor stats

Bookmarked

Total users

Monthly active users

3 days ago

Last modified

Domain Health Audit for Stripe and Anthropic

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.

cottony_brittlegill

Domain Security Posture Checker — DNS, SPF, DMARC, TLS

nexgendata/domain-security-posture-checker

One-call security report card per domain — WHOIS, DNS, SPF/DMARC email auth, SSL/TLS expiry, with a posture score and grade. No login.

NexGenData

Website & Domain Health Audit — SSL, DNS, Email, Security Score

inexhaustible_glass/domain-health-audit

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.

Hitman studio

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.

Jayesh Choolun

SPF DKIM DMARC Audit & Bulk DMARC Checker

davidbenittah/dmarc-rfc9989-auditor

Run an email authentication check on up to 100 domains at once. Reads public DNS for DMARC, SPF, MX and the DKIM selectors you name, parses the p, sp and RFC 9989 np policies, and returns a 0-100 score per domain with the raw records and the anti-spoofing fixes to apply first.

David

Domain Deliverability Checker SPF DKIM DMARC Blacklist Clay

mambalabs/domain-deliverability-checker

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.

Mamba Labs

Bulk Email Deliverability Checker (MX/SPF/DMARC/DKIM)

weiseer/email-deliverability-checker

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.

wei seer

Domain Security & Email Deliverability — DNS, SPF, DMARC, DKIM

ryanclinton/dns-record-lookup

Audit a domain portfolio for email spoofing, broken SPF, DMARC enforcement, DNSSEC and shadow-SaaS senders. Returns a posture score, what to fix first, vendor dependencies and drift alerts — not just records. Bulk DNS / SPF / DMARC / DKIM lookup, no API keys.

Ryan Clinton

Domain Intelligence: WHOIS, DNS, SPF & DMARC Check

f0rty7even/domain-intelligence

One row per domain: registrar, registration and expiry dates, domain age, nameservers and DNS host, MX records and mail provider, plus a full SPF, DKIM, DMARC and MTA-STS audit with a plain answer on whether the domain can be spoofed.

Michael Yousrie

Bulk DNS Lookup, SPF DMARC DKIM Email Check

thoob/dns-bulk-lookup

Resolves A, AAAA, MX, NS, TXT, CNAME, and SOA records for many domains at once over DNS-over-HTTPS (Cloudflare, with Google fallback), and parses SPF, DMARC, and optional DKIM. Deterministic and fast. Billed only per domain that returns DNS data.