The Update Framework (TUF) · Domain Security

Tuf Domain Security

Domain security

Domain security posture for The Update Framework (TUF), 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.

CNCFCloud NativeGraduatedSecuritySoftware Supply ChainSoftware UpdatesVerification

Transport & Host Security

theupdateframework.io
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Aug 29 09:00:31 2026 GMT
theupdateframework.readthedocs.io
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Aug 27 13:13:23 2026 GMT

Domain (DNS/Email) Security

theupdateframework.io
DNSSEC: no · SPF: no · DMARC: no · CAA: none
readthedocs.io
DNSSEC: no · SPF: no · DMARC: no · CAA: yes

Source

Domain Security

tuf-domain-security.yml Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: theupdateframework.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 29 09:00:31 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: theupdateframework.readthedocs.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 27 13:13:23 2026 GMT
  hsts: true
  hsts_max_age: 31536000
domains:
- domain: theupdateframework.io
  dnssec: false
  caa: []
  spf: false
  dmarc: false
- domain: readthedocs.io
  dnssec: false
  caa:
  - 0 issuewild "comodoca.com"
  - 0 issuewild "digicert.com; cansignhttpexchanges=yes"
  - 0 issuewild "letsencrypt.org"
  - 0 issuewild "pki.goog; cansignhttpexchanges=yes"
  - 0 issuewild "ssl.com"
  - 0 issue " amazontrust.com"
  spf: false
  dmarc: false