When a single wildcard cert covers 50+ subdomains, the entire subdomain population shares one private key. One compromise unlocks them all. These domains have the largest single-key exposure surface in the curated peer set.
| # | Domain | Score | Grade | Sector | Freshness |
|---|---|---|---|---|---|
| 1 | stripe.com | 5.9 | C | — | verified 2h ago |
| 2 | github.com | 5.9 | C | — | verified 2h ago |
| 3 | washingtonpost.com | 5.8 | C | Global News & Media | stale (2d old) |
| 4 | cloudflare.com | 5.2 | C | — | verified 2h ago |
| 5 | apnews.com | 4.9 | C | Global News & Media | stale (4d old) |
| 6 | google.com | 4.9 | C | — | verified 2h ago |
| 7 | vercel.com | 2.8 | B | — | verified 2h ago |
Run the same scan we use for this ranking. See your specific findings, get the migration steps, and track the domain so you know when your score improves.