xkcd · Domain Security

Xkcd Domain Security

Domain security

Domain security posture for xkcd, probed live across 1 host(s) and 1 registrable domain(s). 1 host(s) serve HTTPS (up to TLSv1.2); 0 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=none).

Games And ComicsPublic APIs

Transport & Host Security

xkcd.com
HTTPS: yes · TLS: TLSv1.2 · HSTS: no · cert expires: Jan 9 22:00:18 2027 GMT

Domain (DNS/Email) Security

xkcd.com
DNSSEC: no · SPF: yes · DMARC: yes (p=none) · CAA: yes

Source

Domain Security

xkcd-domain-security.yml Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: xkcd.com
  https: true
  tls_version: TLSv1.2
  cert_expires: Jan  9 22:00:18 2027 GMT
  hsts: false
domains:
- domain: xkcd.com
  dnssec: false
  caa:
  - 128 issue "globalsign.com"
  - 128 issuewild "globalsign.com"
  - 128 issue "letsencrypt.org"
  spf: true
  dmarc: true
  dmarc_policy: none