Domain Intelligence: Tech Stack, SaaS & Email Security

Bulk-check domains: detect CMS, e-commerce, analytics and 7,000+ technologies, plus email provider (MX/SPF/DMARC), RDAP WHOIS registration & expiry, SSL certificate expiry and security headers. Homepage only, robots.txt respected.

Domain Intelligence: SPF, DMARC, SSL, WHOIS | $0.005/domain

glasswing/domain-intelligence-report

One audit-ready row per domain: DNS records, SPF, DMARC and DKIM, mail provider, TLS expiry, registrar, hosting IP, ASN, CDN and detected tech stack. No API keys needed. Export to CSV, JSON or Excel.

Analyze any domain in one row: WHOIS (registrar, dates, nameservers), DNS records, SSL certificate, technology stack, subdomains from Certificate Transparency, and hosting with ASN. HTTP and DNS only, no login or API key. For lead enrichment, domain due diligence, SEO and AI agents.

Tech Stack Detector & DNS Intelligence Scraper

midnight_static/techstack-dns-intelligence

Bulk tech stack detector and DNS lookup for any domain. Website technology: 150 fingerprints, 22 categories. Plus technographics from DNS TXT records, not the HTML: Salesforce, HubSpot, Atlassian, Slack. Email provider, SPF/DMARC, TLS certificate expiry. 45 fields. BuiltWith alternative.

Company Deep Research — SEC, GitHub, DNS & Social

ryanclinton/company-deep-research

Generate comprehensive company research reports from 7+ sources: SEC filings, stock data, Wikipedia, GitHub, Trustpilot reviews, DNS records, and social media verification. One domain in, full intelligence report out.

Company Tech-Stack & Domain Intelligence API

technicaldost/company-intelligence-api

Domain to company tech stack, founded year, headcount, industry, funding, socials & logo. Open-data company enrichment API. A BuiltWith + Clearbit alternative.

Company Enrichment API - Domain to Firmographics, Tech & Email

santhej/company-intel-lookup

One domain in, one flat JSON company profile out: company name, address, emails, phones, socials, full tech stack, the back-office SaaS a company runs read from DNS, and a graded MX/SPF/DMARC/DKIM deliverability verdict. Flat price per domain, no run minimum, no free-tier penalty. Built for agents.

Tech Stack Lookup - Company Vendor & SaaS Detection API

amitmudaliyar/company-tech-stack-vendor-intelligence

Give it a domain, get the SaaS vendors that company actually uses. Reads DNS verification records - the procurement trail HTML scanners miss - to surface AI tools, security, identity, CRM and collaboration vendors, plus email host and DMARC posture.

Website Tech Stack Detector: BuiltWith/Wappalyzer Alternative

pulsedata/website-tech-stack-detector

Find out what any website is built with: CMS, e-commerce, frameworks, analytics, ads, tag managers, payments, CDN, hosting, email provider & 7,500+ technologies with versions and confidence. Bulk-analyze thousands of domains. BuiltWith / Wappalyzer alternative.

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.

Tech Stack & Email Finder - BuiltWith Alternative

inatanli/tech-stack-detector

Find what technology any website runs + contact emails. 7,500+ fingerprints, flat output for Clay, GSheet or your CRM.