generated: '2026-08-26' method: probed source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts, plus manual dig/openssl probes of platform.sh and auth.api.platform.sh hosts: - host: upsun.com https: true tls_version: TLSv1.3 cert_expires: Nov 2 03:17:46 2026 GMT hsts: true hsts_max_age: 31557600 - host: developer.upsun.com https: true tls_version: TLSv1.3 cert_expires: Oct 11 13:16:30 2026 GMT hsts: true hsts_max_age: 63072000 - host: api.upsun.com https: true tls_version: TLSv1.3 cert_expires: Nov 8 19:07:59 2026 GMT hsts: true hsts_max_age: 63072000 - host: platform.sh https: true tls_version: TLSv1.3 cert_expires: Nov 17 11:12:08 2026 GMT hsts: true hsts_max_age: 31557600 note: Legacy brand host. Serves /.well-known/security.txt directly (200); / 301s to upsun.com. - host: auth.api.platform.sh https: true tls_version: TLSv1.3 cert_expires: Nov 12 07:48:36 2026 GMT hsts: true hsts_max_age: 31536000 hsts_preload: true note: OAuth 2.0 authorization server for the REST API; still on the platform.sh domain after the Upsun rebrand. domains: - domain: upsun.com dnssec: true caa: [] spf: true dmarc: true dmarc_policy: quarantine - domain: platform.sh dnssec: false caa: - pki.goog - sectigo.com - amazontrust.com - digicert.com - letsencrypt.org spf: true dmarc: true dmarc_policy: quarantine note: Probed 2026-08-26 via dig/openssl. No DS record published, so DNSSEC is not enabled on platform.sh.