Agent Skills · Domain Security

Agent Skills Domain Security

Domain security

Domain security posture for Agent Skills, 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 absent, DMARC present (p=reject).

Agent SkillsAI AgentsTool UseFunction CallingMCPAgentic AIAutomation

Transport & Host Security

platform.claude.com

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 24 00:48:33 2026 GMT

api.anthropic.com

HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Aug 24 18:45:51 2026 GMT

adk.dev

HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Aug 30 02:51:21 2026 GMT

Domain (DNS/Email) Security

claude.com

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

anthropic.com

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

Source

Domain Security

generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: platform.claude.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 24 00:48:33 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: api.anthropic.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 24 18:45:51 2026 GMT
  hsts: null
- host: adk.dev
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 30 02:51:21 2026 GMT
  hsts: false
domains:
- domain: claude.com
  dnssec: false
  caa: []
  spf: false
  dmarc: true
  dmarc_policy: reject
- domain: anthropic.com
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject

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Tools for security posture

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apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

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