Red Hat OpenShift · Domain Security

Red Hat Openshift Domain Security

Domain security

Domain security posture for Red Hat OpenShift, probed live across 3 host(s) and 2 registrable domain(s). 3 host(s) serve HTTPS (up to TLSv1.3); 1 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=quarantine).

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Transport & Host Security

www.redhat.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Oct 10 23:59:59 2026 GMT
docs.openshift.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Dec 2 23:59:59 2026 GMT
api.openshift.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Aug 11 09:27:05 2026 GMT

Domain (DNS/Email) Security

redhat.com
DNSSEC: no · SPF: yes · DMARC: yes (p=quarantine) · CAA: yes
openshift.com
DNSSEC: no · SPF: yes · DMARC: no · CAA: yes

Source

Domain Security

Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.redhat.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct 10 23:59:59 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: docs.openshift.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Dec  2 23:59:59 2026 GMT
  hsts: null
- host: api.openshift.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 11 09:27:05 2026 GMT
  hsts: false
domains:
- domain: redhat.com
  dnssec: false
  caa:
  - 0 issue "digicert.com"
  - 0 iodef "mailto:it-cert-admin@redhat.com"
  - 0 issue "amazontrust.com"
  - 0 issue "letsencrypt.org"
  spf: true
  dmarc: true
  dmarc_policy: quarantine
- domain: openshift.com
  dnssec: false
  caa:
  - 0 issue "amazon.com"
  - 0 issue "comodoca.com"
  - 0 issue "digicert.com; cansignhttpexchanges=yes"
  - 0 issue "letsencrypt.org"
  - 0 issue "pki.goog; cansignhttpexchanges=yes"
  - 0 issue "ssl.com"
  spf: true
  dmarc: false