🛡️ Domain Trust Monitor

HTTP security header audit for HSTS, CSP, X-Frame-Options, and more. Grade your website security posture against best practices. For penetration testing, compliance checks, and web hardening. No API key required.

Domain Expiry Checker

datapilot/domain-expiry-checker

Bulk Domain Expiry Checker scans domains using WHOIS data and optional HTTP checks. It extracts registrar, expiry date, status, name servers, and days left. Flags expiring domains (critical/warning) and outputs structured JSON—ideal for domain monitoring, SEO audits, and portfolio management. 🌐📅

SSL Certificate Inspector - TLS Audit & Expiry Monitor

santamaria-automations/ssl-certificate-inspector

Inspect SSL/TLS certificates for any domain: chain validation, expiry dates, cipher suites, TLS versions, subject alt names, issuer details, and security scoring. Export data, run via API, schedule and monitor runs, or integrate with other tools.

Website Security & Vulnerability Audit

smart-digital/website-security-vulnerability-audit

Automated security and vulnerability audit for websites. Detects WordPress plugin vulnerabilities, checks for updates, analyzes SSL/TLS, security headers, and CMS security

Domain Intelligence Lookup

obicodes/domain-intel

Full domain intelligence in one call. Get WHOIS registration data, DNS records, SSL certificate status, IP geolocation, ASN, mail provider detection, and an actionable email security score (SPF, DMARC, MX). Built for developers, security teams, agencies, and growth teams.

Domain Lookup

greip/domain-lookup

Lookup and analyze domain names and retrieve detailed information including security status, email authentication records (SPF, DMARC, DKIM, MX, BIMI), creation date, and risk assessment. Perfect for domain verification, fraud prevention, and security analysis.

Bulk email authentication audit. Parses SPF, DMARC, and DKIM records, returns deliverability score (0-100), and step-by-step remediation actions per domain.

DNS Record Checker & Domain Health Monitor

george.the.developer/dns-record-checker

Full DNS lookup for any domain. Returns A, AAAA, MX, TXT, CNAME, NS, SOA records plus smart summary (mail provider, nameserver provider, SPF/DMARC detection). Built for bulk domain research, security audits, and infrastructure monitoring.

🌐 WHOIS Domain Lookup — Bulk Domain Intel

nexgendata/whois-domain-lookup

Bulk WHOIS lookup for domain registration data — owner, registrar, creation date, expiry, name servers. Monitor domain portfolios, detect expired domains, and research competitor web properties.

Supernet WHOIS Lookup

superlativetech/supernet-whois-lookup

WHOIS domain registration data for any domain. Registrar, expiry dates, domain age, registrant, nameservers, DNSSEC. Domain ownership enrichment for lead scoring, expiry monitoring, fraud detection, and due diligence. Batch thousands or query one instantly via Standby API.