Restful Web Services Domain Security

Domain security

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

ArchitectureHTTPRESTWeb Services

Transport & Host Security

www.postman.com

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

swagger.io

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

spring.io

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Mar 27 23:59:59 2027 GMT

Domain (DNS/Email) Security

postman.com

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

swagger.io

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

Source

Domain Security

generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- 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
- host: swagger.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct  4 16:46:01 2026 GMT
  hsts: false
- host: spring.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Mar 27 23:59:59 2027 GMT
  hsts: true
  hsts_max_age: 15552000
domains:
- domain: postman.com
  dnssec: false
  caa:
  - 0 issuewild "pki.goog; cansignhttpexchanges=yes"
  - 0 iodef "mailto:security@postman.com"
  - 0 issue "amazon.com"
  - 0 issue "digicert.com"
  - 0 issue "letsencrypt.org"
  - 0 issue "pki.goog; cansignhttpexchanges=yes"
  spf: true
  dmarc: true
  dmarc_policy: quarantine
- domain: swagger.io
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: none