generated: '2026-07-11' method: probed source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts hosts: - host: www.rssboard.org https: true tls_version: TLSv1.2 cert_expires: Oct 2 15:16:56 2026 GMT hsts: false - host: datatracker.ietf.org https: true tls_version: TLSv1.3 cert_expires: Oct 5 20:01:07 2026 GMT hsts: true hsts_max_age: 3600 - host: www.jsonfeed.org https: true tls_version: TLSv1.3 cert_expires: Sep 15 01:21:33 2026 GMT hsts: false domains: - domain: rssboard.org dnssec: false caa: [] spf: false dmarc: false - domain: ietf.org dnssec: true caa: [] spf: true dmarc: true dmarc_policy: none