| Subdomain | First seen | Last seen | DNS | Certificate issuer | Report |
|---|
| mail.apsda.org | Mar 2026 | Mar 2026 | Resolves | Sectigo Limited | Report → |
| www.mail.apsda.org | Mar 2026 | Mar 2026 | No DNS | Sectigo Limited | Report → |
| www.apsda.org | Sept 2022 | Sept 2023 | Resolves | Sectigo Limited | Report → |
Found in public certificate transparency logs, which record every publicly trusted certificate. Some subdomains may no longer exist.