Certificate Transparency Log Firehose

Streams newly-issued certificates from public CT logs (Google, Cloudflare, DigiCert, Sectigo, TrustAsia) with a keyword/pattern watch-list match — delta-since-last-run, not a one-domain lookup.

Pricing

Pay per event

Rating

0.0

(0)

Developer

BowTiedRaccoon

Actor stats

Bookmarked

Total users

Monthly active users

9 days ago

Last modified

🔍 Subdomain Finder & CT Log Scraper

taroyamada/subdomain-finder

Map website architectures by extracting subdomains from public Certificate Transparency logs to find unlinked staging sites.

naoki anzai

Subdomain Finder — CT Log Enumeration + Live DNS Check

eliai/subdomain-finder

Input: a domain. Output: JSON records of subdomains found in public Certificate Transparency logs (crt.sh), each with a live DNS resolution check. Passive recon — no active scanning of the target. Cheap pay-per-result pricing: $0.03 per domain checked.

Anthony Snider

Certificate Transparency Monitor — AI Agent Recon API

logiover/certificate-transparency-monitor

Keyless certificate transparency intelligence for AI agents: crt.sh CT logs. Track new TLS certs for any domain, discover subdomains via wildcard, batch domains. Issuer, validity, SAN domains and serial per row. No API key, no browser.

Logiover

WhoisDS Newly Registered Domain Feed + Enrichment

jungle_synthesizer/whoisds-newly-registered-domain-feed-scraper

Daily delta of newly registered domains from the whoisds.com free NRD feed, enriched with DNS (A/MX/NS), Certificate Transparency presence, IDN punycode decoding, and keyword/typosquat matching against a brand watch-list. Fully passive.

BowTiedRaccoon

Subdomain Finder - Discover Subdomains via CT Logs

logiover/subdomain-finder

Discover every subdomain of any domain using Certificate Transparency logs (crt.sh). Fast bulk subdomain enumeration for security recon, attack-surface mapping, asset discovery and SEO. No API key — export to CSV or JSON.

Logiover

SSL Certificate Transparency Scraper (crt.sh)

chrisp1211/certificate-search-scraper-max

Scrape SSL/TLS certificate transparency logs from crt.sh for any domain. Great for security audits and subdomain discovery. Returns common name, subdomains (SANs), issuer and validity. Pay per certificate; empty runs free.

Christian Pichichero

Subdomain Finder

happitap/subdomain-finder

Subdomain Finder is a high-speed intelligence tool that uncovers subdomains for any target domain using Certificate Transparency (CT) logs. Unlike traditional brute-force tools, it requires no heavy traffic and provides results in seconds.