Ruby Programming Language and Popular API Gems · Domain Security

Ruby Domain Security

Domain security

Domain security posture for Ruby Programming Language and Popular API Gems, probed live across 3 host(s) and 2 registrable domain(s). 3 host(s) serve HTTPS (up to TLSv1.3); 0 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=none).

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Transport & Host Security

www.ruby-lang.org
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Sep 23 11:51:18 2026 GMT
docs.ruby-lang.org
HTTPS: yes · TLS: TLSv1.2 · HSTS: no · cert expires: Jan 10 00:28:08 2027 GMT
guides.rubygems.org
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Sep 17 19:11:19 2026 GMT

Domain (DNS/Email) Security

ruby-lang.org
DNSSEC: no · SPF: yes · DMARC: yes (p=none) · CAA: none
rubygems.org
DNSSEC: no · SPF: yes · DMARC: yes (p=quarantine) · 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.ruby-lang.org
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 23 11:51:18 2026 GMT
  hsts: false
- host: docs.ruby-lang.org
  https: true
  tls_version: TLSv1.2
  cert_expires: Jan 10 00:28:08 2027 GMT
  hsts: false
- host: guides.rubygems.org
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 17 19:11:19 2026 GMT
  hsts: false
domains:
- domain: ruby-lang.org
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: none
- domain: rubygems.org
  dnssec: false
  caa:
  - 0 issue "globalsign.com"
  - 0 issue "letsencrypt.org"
  - 0 issuewild "comodoca.com"
  - 0 issuewild "globalsign.com"
  - 0 issue "amazonaws.com"
  - 0 issue "comodoca.com"
  spf: true
  dmarc: true
  dmarc_policy: quarantine