generated: '2026-07-28' method: probed source: >- live DNS/TLS/HTTP probes of every apis.yml host and every OpenAPI servers[] host (0-working/probe-domain-security.py, plus manual openssl/dig probes of the two OpenTravel-run service hosts the automated pass did not reach) hosts: - host: opentravel.org role: main website, MCP server, OAuth 2.1 authorization server https: true tls_version: TLSv1.3 cert_expires: Sep 9 21:25:29 2026 GMT hsts: true hsts_max_age: 63072000 - host: www.opentraveldevelopersnetwork.com role: OpenTravel Developers Network (ODN) developer portal https: true tls_version: TLSv1.3 cert_issuer: "Let's Encrypt (CN=YR1)" cert_expires: Sep 21 08:46:49 2026 GMT hsts: false - host: opentravelmodel.net role: OTM Library Repository console https: true tls_version: TLSv1.3 cert_issuer: GlobalSign GCC R6 AlphaSSL CA 2025 cert_expires: Oct 17 16:01:04 2026 GMT hsts: false - host: 127.0.0.1 role: placeholder host declared by the published Swagger 2.0 contracts https: false note: >- Not a real host. Six of the eight published documents declare host 127.0.0.1 and two declare example.com, and every one declares `schemes: [http]`. Implementers must supply their own host and serve over HTTPS; the artifact does not say so. domains: - domain: opentravel.org dnssec: false caa: [] spf: true dmarc: false - domain: opentraveldevelopersnetwork.com dnssec: false caa: [] spf: false dmarc: false - domain: opentravelmodel.net dnssec: false caa: [] spf: true spf_record: 'v=spf1 ip4:3.135.211.37 +a +mx ~all' dmarc: false observations: - >- All three OpenTravel-operated hosts negotiate TLS 1.3 with valid certificates. - >- HSTS is set only on opentravel.org (max-age 63072000, two years). Neither the developer portal nor the OTM repository console — both of which take a username and password — sends it. - >- No domain publishes DNSSEC or a CAA record. - >- No domain publishes DMARC, so there is no policy on mail spoofing opentravel.org, opentraveldevelopersnetwork.com or opentravelmodel.net. opentravel.org and opentravelmodel.net publish SPF; opentraveldevelopersnetwork.com publishes neither. vulnerability_disclosure: published: false probed: '2026-07-28' detail: >- No vulnerability disclosure program and no trust center exist. /.well-known/security.txt returns a real nginx 404 on both opentravel.org and opentraveldevelopersnetwork.com. /security/, /responsible-disclosure/, /vulnerability-disclosure/, /trust/ and /compliance/ on opentravel.org all return the WordPress soft-404 homepage (identical 190,291-byte body, zero disclosure or certification keywords). trust.opentravel.org and security.opentravel.org do not resolve. No HackerOne, Bugcrowd or Intigriti program was found. No SOC 2, ISO 27001, PCI DSS, HIPAA or FedRAMP claim appears anywhere on the site. Recorded as a verified negative — no security/ vulnerability-disclosure or trust-center artifact was written, because there is nothing to record.