Git.io · Domain Security

Git Io Domain Security

Domain security

Domain security posture for Git.io, probed live across 1 host(s) and 1 registrable domain(s). 1 host(s) serve HTTPS (up to TLSv1.3); 1 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF absent, DMARC absent.

URL ShortenersPublic APIs

Transport & Host Security

github.blog
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 24 21:41:23 2026 GMT

Domain (DNS/Email) Security

github.blog
DNSSEC: no · SPF: no · DMARC: no · CAA: yes

Source

Domain Security

git-io-domain-security.yml Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: github.blog
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 24 21:41:23 2026 GMT
  hsts: true
  hsts_max_age: 31536000
domains:
- domain: github.blog
  dnssec: false
  caa:
  - 0 issue "letsencrypt.org"
  - 0 issue "sectigo.com"
  spf: false
  dmarc: false