TUI Group · Domain Security

Tui Group Domain Security

Domain security

Domain security posture for TUI Group, probed live across 3 host(s) and 2 registrable domain(s). 3 host(s) serve HTTPS (up to TLSv1.3); 2 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=none).

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Transport & Host Security

www.tuigroup.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 25 23:59:59 2026 GMT
developer.tui
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Jan 17 23:59:59 2027 GMT
prod.api.tui
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Dec 9 23:59:59 2026 GMT

Domain (DNS/Email) Security

tuigroup.com
DNSSEC: no · SPF: yes · DMARC: yes (p=none) · CAA: none
developer.tui
DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: none

Source

Domain Security

Raw ↑ 
generated: '2026-07-28'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.tuigroup.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 25 23:59:59 2026 GMT
  hsts: true
  hsts_max_age: 63072000
- host: developer.tui
  https: true
  tls_version: TLSv1.3
  cert_expires: Jan 17 23:59:59 2027 GMT
  hsts: true
  hsts_max_age: 31557600
- host: prod.api.tui
  https: true
  tls_version: TLSv1.3
  cert_expires: Dec  9 23:59:59 2026 GMT
  hsts: null
domains:
- domain: tuigroup.com
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: none
- domain: developer.tui
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject