Tracking 22,193 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.
| Domain | Certs | Subdomains | Active | Newest | Health | Last Check |
|---|---|---|---|---|---|---|
| amazon.com | 5,953 | 834 | 0 / 5,953 exp | 2020-01-27 | UP | |
| microsoft.com | 5,827 | 3,779 | 0 / 5,827 exp | 2020-01-29 | UP | |
| nytimes.com | 4,607 | 456 | 0 / 4,607 exp | 2025-01-15 | UP | |
| apple.com | 2,561 | 2,618 | 0 / 2,561 exp | 2020-01-27 | UP | |
| facebook.com | 2,093 | 509 | 0 / 2,093 exp | 2020-09-29 | UP | |
| google.com | 1,152 | 236 | 0 / 1,152 exp | 2020-07-26 | UP | |
| airbnb.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| akamai.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| amazonaws.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| anthropic.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| azure.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| bing.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| bitbucket.io | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| blob.core.windows.net | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| blogspot.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| cloudflare.com | 0 | 0 | 0 / 4,978 exp | 2020-01-26 | UNCERTAIN | |
| cloudfront.net | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| cohere.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| dev.to | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| digitalocean.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| discord.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| docker.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| dropbox.com | 0 | 0 | 0 / 0 exp | — | UNCERTAIN | |
| duckduckgo.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| ebay.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| fastly.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| github.com | 0 | 0 | 62 / 948 exp | 2026-06-03 | UNCERTAIN | |
| github.io | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| gitlab.com | 0 | 0 | 0 / 0 exp | — | UNCERTAIN | |
| gitlab.io | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| gmail.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| hashicorp.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| hashnode.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| heroku.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| huggingface.co | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| icloud.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| instagram.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| kubernetes.io | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| linkedin.com | 0 | 0 | 0 / 623 exp | 2020-01-27 | UNCERTAIN | |
| live.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| lyft.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| me.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| medium.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| meta.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| msn.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| netflix.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| netlify.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| npmjs.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| office.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN | |
| openai.com | 0 | 0 | 0 / 0 exp | — | UNKNOWN |