JavaScript · Domain Security

Javascript Domain Security

Domain security

Domain security posture for JavaScript, probed live across 2 host(s) and 2 registrable domain(s). 2 host(s) serve HTTPS (up to TLSv1.3); 2 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF absent, DMARC absent.

BrowserECMAScriptJavaScriptProgramming LanguageWeb APIs

Transport & Host Security

www.javascript.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Oct 8 11:20:14 2026 GMT
developer.mozilla.org
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Aug 24 14:38:53 2026 GMT

Domain (DNS/Email) Security

javascript.com
DNSSEC: no · SPF: no · DMARC: no · CAA: none
mozilla.org
DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: yes

Source

Domain Security

javascript-domain-security.yml Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.javascript.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct  8 11:20:14 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: developer.mozilla.org
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 24 14:38:53 2026 GMT
  hsts: true
  hsts_max_age: 63072000
domains:
- domain: javascript.com
  dnssec: false
  caa: []
  spf: false
  dmarc: false
- domain: mozilla.org
  dnssec: false
  caa:
  - 0 issue "awstrust.com"
  - 0 iodef "mailto:foxsec+caaiodef@mozilla.com"
  - 0 issue "comodoca.com"
  - 0 issue "digicert.com"
  - 0 issue "letsencrypt.org"
  - 0 issue "amazonaws.com"
  spf: true
  dmarc: true
  dmarc_policy: reject