generated: '2026-07-28' method: probed source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts hosts: - host: www.viator.com https: true tls_version: TLSv1.3 cert_expires: Aug 24 18:23:02 2026 GMT hsts: null - host: partnerresources.viator.com https: true tls_version: TLSv1.3 cert_expires: Oct 22 23:39:31 2026 GMT hsts: false - host: docs.viator.com https: true tls_version: TLSv1.3 cert_expires: Aug 20 06:33:46 2026 GMT hsts: true hsts_max_age: 31536000 - host: api.viator.com https: true tls_version: TLSv1.3 cert_expires: Dec 18 23:59:59 2026 GMT hsts: false note: Partner API v2 production host; answers 400 without exp-api-key + Accept version header. - host: api.sandbox.viator.com https: true tls_version: TLSv1.3 cert_expires: Dec 2 23:59:59 2026 GMT hsts: false note: Partner API v2 sandbox host declared in the OpenAPI servers[] block. - host: viatorapi.viator.com https: true tls_version: TLSv1.3 cert_expires: Dec 18 23:59:59 2026 GMT hsts: false note: Legacy v1 affiliate/merchant host; returned 503 to unauthenticated probes. domains: - domain: viator.com dnssec: false caa: [] spf: true dmarc: true dmarc_policy: reject