| Subdomain | First seen | Last seen | DNS | Certificate issuer | Report |
|---|
| cpanel.plan.cpa | Aug 2026 | Oct 2026 | Resolves | Let's Encrypt | Report → |
| cpcalendars.plan.cpa | Aug 2026 | Oct 2026 | Resolves | Let's Encrypt | Report → |
| mail.plan.cpa | Aug 2026 | Oct 2026 | — | Let's Encrypt | Report → |
| webmail.plan.cpa | Aug 2026 | Oct 2026 | Resolves | Let's Encrypt |
Found in public certificate transparency logs, which record every publicly trusted certificate. Some subdomains may no longer exist.