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
airbnb.com 0 0 0 / 0 exp UNCERTAIN
azure.com 0 0 0 / 0 exp UNCERTAIN
bing.com 0 0 0 / 0 exp UNCERTAIN
cloudflare.com 0 0 0 / 4,978 exp 2020-01-26 UNCERTAIN
cloudfront.net 0 0 0 / 0 exp UNCERTAIN
cohere.com 0 0 0 / 0 exp UNCERTAIN
dev.to 0 0 0 / 0 exp UNCERTAIN
digitalocean.com 0 0 0 / 0 exp UNCERTAIN
docker.com 0 0 0 / 0 exp UNCERTAIN
dropbox.com 0 0 0 / 0 exp UNCERTAIN
duckduckgo.com 0 0 0 / 0 exp UNCERTAIN
fastly.com 0 0 0 / 0 exp UNCERTAIN
github.com 0 0 62 / 948 exp 2026-06-03 UNCERTAIN
gitlab.com 0 0 0 / 0 exp UNCERTAIN
hashicorp.com 0 0 0 / 0 exp UNCERTAIN
hashnode.com 0 0 0 / 0 exp UNCERTAIN
heroku.com 0 0 0 / 0 exp UNCERTAIN
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
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
stripe.com 0 0 214 / 1,974 exp 2026-06-01 UNCERTAIN
substack.com 0 0 0 / 0 exp UNCERTAIN
twitch.tv 0 0 0 / 0 exp UNCERTAIN
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
Last updated Jun 4, 2026 03:49 UTC · Sitemap · API · Data: crt.sh