Playground API — Free Stateful Mock REST & GraphQL Service · Domain Security

Playground Domain Security

Domain security

Domain security posture for Playground API — Free Stateful Mock REST & GraphQL Service, 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.

Developer ToolsTestingMock APIapi-sandboxRESTGraphQLE2E Testing

Transport & Host Security

playground.nileslabs.com

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Nov 21 08:31:49 2026 GMT

playground-api-backend.vercel.app

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Nov 27 19:48:08 2026 GMT

Domain (DNS/Email) Security

nileslabs.com

DNSSEC: no · SPF: no · DMARC: no · CAA: none

vercel.app

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

Source

Domain Security

generated: '2026-09-14'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: playground.nileslabs.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Nov 21 08:31:49 2026 GMT
  hsts: true
  hsts_max_age: 63072000
- host: playground-api-backend.vercel.app
  https: true
  tls_version: TLSv1.3
  cert_expires: Nov 27 19:48:08 2026 GMT
  hsts: true
  hsts_max_age: 63072000
domains:
- domain: nileslabs.com
  dnssec: false
  caa: []
  spf: false
  dmarc: false
- domain: vercel.app
  dnssec: false
  caa:
  - 0 issue "pki.goog"
  - 0 issue "letsencrypt.org"
  spf: true
  dmarc: true
  dmarc_policy: reject

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