| Subdomain | First seen | Last seen | DNS | Certificate issuer | Report |
|---|
| www.nextnode.io | Nov 2021 | Jul 2025 | No DNS | Google Trust Services | Report → |
| localhost.nextnode.io | Dec 2023 | Dec 2023 | No DNS | Let's Encrypt | Report → |
Found in public certificate transparency logs, which record every publicly trusted certificate. Some subdomains may no longer exist.