Live Certificate Transparency

Certificate Transparency Monitor

Tracking 71,605 certificates across 84 domains from the public CT logs (crt.sh). We discover subdomains automatically, track issuer history, and surface shadow IT from cert issuance.

84
Tracked
Domains
71,605
Certs
All time
27,069
Subdomains
Discovered
12
No CT History
Red flag
Clear
Domain Certs Subdomains Active Newest Health Last Check
akamai.com 0 0 0 / 0 exp DOWN
amazonaws.com 0 0 0 / 0 exp DOWN
anthropic.com 0 0 0 / 0 exp DOWN
gmail.com 0 0 0 / 0 exp DOWN
huggingface.co 0 0 0 / 0 exp DOWN
live.com 0 0 0 / 0 exp DOWN
me.com 0 0 0 / 0 exp DOWN
msn.com 0 0 0 / 0 exp DOWN
npmjs.com 0 0 0 / 0 exp DOWN
spotify.com 0 0 0 / 0 exp DOWN
telegram.org 0 0 0 / 0 exp DOWN
twitter.com 0 0 0 / 0 exp DOWN
Last updated Jun 4, 2026 05:28 UTC · Sitemap · API · Data: crt.sh