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
All 84 UP 32 Uncertain 40 No CT 12
Domain Certs Subdomains Active Newest Health Last Check
hashicorp.com 0 0 0 / 0 exp — UNCERTAIN
hashnode.com 0 0 0 / 0 exp — UNCERTAIN
heroku.com 0 0 0 / 0 exp — UNCERTAIN
huggingface.co 0 0 0 / 0 exp — DOWN
instagram.com 0 0 0 / 0 exp — UNCERTAIN
kubernetes.io 0 0 0 / 0 exp — UNCERTAIN
linkedin.com 0 0 0 / 623 exp 2020-01-27 UNCERTAIN
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
openai.com 0 0 0 / 0 exp — UNCERTAIN
playstation.com 0 0 0 / 0 exp — UNCERTAIN
proton.me 0 0 0 / 0 exp — UNCERTAIN
reddit.com 0 0 0 / 0 exp — UNCERTAIN
render.com 0 0 0 / 0 exp — UNCERTAIN
replicate.com 0 0 0 / 0 exp — UNCERTAIN
rubygems.org 0 0 0 / 0 exp — UNCERTAIN
s3.amazonaws.com 0 0 0 / 0 exp — UNCERTAIN
salesforce.com 0 0 0 / 0 exp — UNCERTAIN
snapchat.com 0 0 0 / 0 exp — UNCERTAIN
spotify.com 0 0 0 / 0 exp — DOWN
stripe.com 0 0 214 / 1,974 exp 2026-06-01 UNCERTAIN
substack.com 0 0 0 / 0 exp — UNCERTAIN
telegram.org 0 0 0 / 0 exp — DOWN
twitch.tv 0 0 0 / 0 exp — UNCERTAIN
twitter.com 0 0 0 / 0 exp — DOWN
whatsapp.com 0 0 0 / 0 exp — UNCERTAIN
wikipedia.org 0 0 0 / 0 exp — UNCERTAIN
wordpress.com 0 0 0 / 0 exp — UNCERTAIN
xbox.com 0 0 0 / 0 exp — UNCERTAIN
ycombinator.com 0 0 52 / 589 exp 2026-06-03 UNCERTAIN
youtube.com 0 0 0 / 0 exp — UNCERTAIN
zoom.us 0 0 0 / 0 exp — UNCERTAIN
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Last updated Jun 4, 2026 04:12 UTC · Sitemap · API · Data: crt.sh