| Subdomain | First seen | Last seen | DNS | Certificate issuer | Report |
|---|
| www.sttauf.cc | Jan 2024 | Oct 2024 | No DNS | Let's Encrypt | Report → |
| mail.sttauf.cc | Jan 2024 | Feb 2024 | No DNS | Let's Encrypt | Report → |
Found in public certificate transparency logs, which record every publicly trusted certificate. Some subdomains may no longer exist.