| Subdomain | First seen | Last seen | DNS | Certificate issuer | Report |
|---|
| www.alfabelgium.com | Aug 2026 | Aug 2026 | Resolves | Let's Encrypt | Report → |
| autodiscover.alfabelgium.com | Dec 2025 | Dec 2025 | Resolves | Sectigo Limited | Report → |
| mail.alfabelgium.com | Dec 2025 | Dec 2025 | Resolves | Sectigo Limited | Report → |
| remote.alfabelgium.com | Dec 2025 | Dec 2025 |
Found in public certificate transparency logs, which record every publicly trusted certificate. Some subdomains may no longer exist.