| Subdomain | First seen | Last seen | DNS | Certificate issuer | Report |
|---|
| 868c2dfc-160a-43d8-95ab-7f6539056dc7.thinkpurplefire.com | Jul 2025 | Jul 2025 | No DNS | Let's Encrypt | Report → |
| www.thinkpurplefire.com | Jun 2025 | Jun 2025 | No DNS | Let's Encrypt | Report → |
| smart.thinkpurplefire.com | Jun 2025 | Jun 2025 | No DNS | Let's Encrypt | Report → |
| inst.thinkpurplefire.com |
Found in public certificate transparency logs, which record every publicly trusted certificate. Some subdomains may no longer exist.