Test-Driven Development · Domain Security

Test Driven Development Domain Security

Domain security

Domain security posture for Test-Driven Development, probed live across 3 host(s) and 2 registrable domain(s). 3 host(s) serve HTTPS (up to TLSv1.3); 3 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=reject).

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Transport & Host Security

circleci.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Feb 4 23:59:59 2027 GMT
www.jenkins.io
HTTPS: yes · TLS: TLSv1.2 · HSTS: yes · cert expires: Aug 19 21:52:45 2026 GMT
docs.sonarsource.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Oct 9 16:14:33 2026 GMT

Domain (DNS/Email) Security

circleci.com
DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: none
jenkins.io
DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · 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: circleci.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Feb  4 23:59:59 2027 GMT
  hsts: true
  hsts_max_age: 63072000
- host: www.jenkins.io
  https: true
  tls_version: TLSv1.2
  cert_expires: Aug 19 21:52:45 2026 GMT
  hsts: true
  hsts_max_age: 86400
- host: docs.sonarsource.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct  9 16:14:33 2026 GMT
  hsts: true
  hsts_max_age: 31536000
domains:
- domain: circleci.com
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject
- domain: jenkins.io
  dnssec: false
  caa:
  - 0 issue "digicert.com; cansignhttpexchanges=yes"
  - 0 issue "godaddy.com"
  - 0 issue "letsencrypt.org"
  - 0 issue "pki.goog; cansignhttpexchanges=yes"
  - 0 issue "globalsign.com"
  - 0 issue "sectigo.com"
  spf: true
  dmarc: true
  dmarc_policy: reject