generated: '2026-07-11' method: probed source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts hosts: - host: protobuf.dev https: true tls_version: TLSv1.3 cert_expires: Sep 19 19:13:20 2026 GMT hsts: true hsts_max_age: 31556952 domains: - domain: protobuf.dev dnssec: false caa: [] spf: true dmarc: true dmarc_policy: reject