crates.io · Domain Security

Crates Io Domain Security

Domain security

Domain security posture for crates.io, probed live across 3 host(s) and 2 registrable domain(s). 3 host(s) serve HTTPS (up to TLSv1.3); 0 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=none).

RustPackage RegistryCratesCargoOpen SourceDeveloper ToolsRust Foundation

Transport & Host Security

crates.io
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Feb 16 15:26:58 2027 GMT
doc.rust-lang.org
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Sep 21 23:59:59 2026 GMT
index.crates.io
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Jan 5 14:13:20 2027 GMT

Domain (DNS/Email) Security

crates.io
DNSSEC: no · SPF: yes · DMARC: yes (p=none) · CAA: none
rust-lang.org
DNSSEC: no · SPF: yes · DMARC: yes (p=none) · CAA: none

Source

Domain Security

Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: crates.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Feb 16 15:26:58 2027 GMT
  hsts: null
- host: doc.rust-lang.org
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 21 23:59:59 2026 GMT
  hsts: false
- host: index.crates.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Jan  5 14:13:20 2027 GMT
  hsts: false
domains:
- domain: crates.io
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: none
- domain: rust-lang.org
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: none