Enrich Domains: Email Provider, DMARC & Tech Stack

Bulk DNS analysis. A records, MX, nameservers, hosting provider, email provider, SPF/DMARC status for any domain.

🛡️ Domain & Email Deliverability Enricher (SPF/DMARC)

renzomacar/domain-health-enricher

Enrich domains in bulk with email deliverability signals: MX + provider, SPF, DMARC + policy, DKIM, domain age (RDAP), HTTPS, plus a 0-100 email-security score and deliverability risk. Score prospects before cold outreach. No API key.

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.

Company Tech Stack Changes & Migration Monitor

johnatan029/company-stack-monitor

Monitor tech stack changes across up to 100 company domains. Detect tools added or removed, MX/email-provider migrations, and export full stack snapshots from public homepage resources, HTTP headers, and DNS — with baselines, health checks, and change-only events.

Domain Intelligence: WHOIS + DNS Bulk Lookup

scrapemint/domain-intelligence

Pass a list of domains, get WHOIS data, DNS records, and inferred signals like email provider, DNS provider, and SPF/DMARC presence. Built for SDRs, brand protection teams, and email deliverability consultants. One row per domain. Pay per lookup.

Website Tech Stack Scraper

silentflow/website-tech-stack-scraper

Detect the full technology stack of any website from a list of domains: frameworks, analytics, CMS, ecommerce, CDN, payments and 6000+ more, with versions. Plus the email provider and DNS provider resolved from live DNS. No login or API key. Export to JSON, CSV or Excel for lead enrichment.

MX Lookup — Email DNS, SPF, DKIM & DMARC

junipr/mx-lookup

Check MX, SPF, DKIM, DMARC, TXT, CAA, and email DNS records in bulk with validation findings and deliverability diagnostics.

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.

Validate email deliverability and get domain intelligence: MX records, WHOIS, SPF, DKIM, DMARC, blacklist status, disposable detection and SSL info. Bulk email list cleaning for cold email and lead gen. No API key required. Try free — no API key, instant results.

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.