| Subdomain | First seen | Last seen | DNS | Certificate issuer | Report |
|---|
| www.haproxy.co | Jul 2022 | Aug 2026 | Resolves | GoDaddy.com | Report → |
| www.test-perfops.haproxy.co | Mar 2025 | Mar 2025 | Resolves | Let's Encrypt | Report → |
| test-perfops.haproxy.co | Nov 2024 | Mar 2025 | Resolves | Let's Encrypt | Report → |
Found in public certificate transparency logs, which record every publicly trusted certificate. Some subdomains may no longer exist.