crt.sh
crt.sh is Free CT Log Certificate Search Tool from Sectigo (formerly Comodo CA). It is ranked #643 on the Dev Radar, in Security, first seen 4 days ago and shared in 1 post (1.8k views).
crt.sh | Certificate Search crt.sh Certificate Search Enter an Identity (Domain Name, Organization Name, etc), a Certificate Fingerprint (SHA-1 or SHA-256), or a crt.sh ID : Advanced... © Sectigo Limited 2015-2026. All rights reserved.
What people said about crt.sh on X
Several methods work depending on the target's setup and what they have exposed. Here is how professionals actually approach this: 1. Historical DNS records The most reliable starting point. Many targets used a CDN or reverse proxy after initially exposing their origin server directly. Services like SecurityTrails,…
— @cyber_razz, 4 days ago · 13 likes · see the post
Alternatives to crt.sh
- Cloudflare Blog — Use production traffic and security signals to prioritize findings, prepare edge mitigations when safe, and propose…
- security-audit-skill — A coding-agent skill for multi-phase security audits with independently verified, machine-readable findings -…
- TheDAO Security Fund — Ecosystem-funded Ethereum security initiatives. Browse open initiatives, donate by wallet or from an exchange, back…
- user-scanner — 🕵️♂️ (2-in-1) Email & Username OSINT suite featuring native MCP support for deep data extraction just from a…
- NVIDIA Developer — Accelerates leading PQC algorithms and advances data security against quantum computer threats.
- aliens_eye — Hunt down 840+ social media accounts using AI. Contribute to arxhr007/Aliens_eye development by creating an account on…
crt.sh in numbers
- Rank on the Dev Radar: #643 of 1355
- Shared in 1 post by 1 account: @cyber_razz
- 1.8k views on those posts
- First seen 4 days ago, last shared 4 days ago
- Pricing seen by Jev: free
- Market: Security
FAQ
What is crt.sh?
Free CT Log Certificate Search Tool from Sectigo (formerly Comodo CA) It was first shared on X 4 days ago and is ranked #643 on the Dev Radar.
Is crt.sh free?
Yes, it is free to use.
Who shared crt.sh?
1 account on X, including @cyber_razz, in 1 post totalling 1.8k views.
Every post is read and classified by Jev (TypeSafe): what it is, which market it belongs to, and whether the link is a real tool. 12.2k posts from 4.7k X accounts over the last 21 days, 1.4k tools, 12 markets. Collected every 5 minutes, fully re-ranked every hour — last update 2026-09-19 18:39 UTC. Full method.