API-First · Domain Security

Api First Domain Security

Domain security

Domain security posture for API-First, 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=none).

API DesignDevelopment MethodologySoftware ArchitectureAPI GovernanceMicroservices

Transport & Host Security

swagger.io

HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Oct 4 16:46:01 2026 GMT

stoplight.io

HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Oct 6 22:17:08 2026 GMT

www.postman.com

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Aug 16 09:00:12 2026 GMT

Domain (DNS/Email) Security

swagger.io

DNSSEC: no · SPF: yes · DMARC: yes (p=none) · CAA: none

stoplight.io

DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: yes

Source

Domain Security

generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: swagger.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct  4 16:46:01 2026 GMT
  hsts: false
- host: stoplight.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct  6 22:17:08 2026 GMT
  hsts: false
- host: www.postman.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 16 09:00:12 2026 GMT
  hsts: true
  hsts_max_age: 31536000
domains:
- domain: swagger.io
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: none
- domain: stoplight.io
  dnssec: false
  caa:
  - 0 issuewild "ssl.com"
  - 0 iodef "mailto:devops@stoplight.io"
  - 0 issue "cloudflare.com"
  - 0 issue "comodoca.com"
  - 0 issue "digicert.com; cansignhttpexchanges=yes"
  - 0 issue "letsencrypt.org"
  spf: true
  dmarc: true
  dmarc_policy: reject