Software Design Patterns · Domain Security

Software Design Patterns Domain Security

Domain security

Domain security posture for Software Design Patterns, 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 present, DMARC present (p=quarantine).

ArchitectureBest PracticesObject-Oriented ProgrammingSoftware EngineeringDesign PatternsGang of FourCreational PatternsStructural PatternsBehavioral Patterns

Transport & Host Security

refactoring.guru
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 12 01:42:36 2026 GMT
www.patterns.dev
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Oct 2 03:50:39 2026 GMT

Domain (DNS/Email) Security

refactoring.guru
DNSSEC: no · SPF: yes · DMARC: yes (p=quarantine) · CAA: none
patterns.dev
DNSSEC: no · SPF: no · DMARC: yes (p=none) · CAA: none

Source

Domain Security

software-design-patterns-domain-security.yml Raw ↑
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: refactoring.guru
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 12 01:42:36 2026 GMT
  hsts: true
  hsts_max_age: 0
- host: www.patterns.dev
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct  2 03:50:39 2026 GMT
  hsts: true
  hsts_max_age: 31536000
domains:
- domain: refactoring.guru
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: quarantine
- domain: patterns.dev
  dnssec: false
  caa: []
  spf: false
  dmarc: true
  dmarc_policy: none