Comcast · Domain Security

Comcast Domain Security

Domain security

Domain security posture for Comcast, 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 present, SPF present, DMARC present (p=reject).

CableConnected DevicesEntertainmentInternetMediaMobileStreamingWirelessFortune 100

Transport & Host Security

www.comcast.com

HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Sep 29 23:59:59 2026 GMT

docs.developer.comcast.com

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 16 08:54:59 2026 GMT

sat-prod.codebig2.net

HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Jan 6 23:59:59 2027 GMT

Domain (DNS/Email) Security

comcast.com

DNSSEC: yes · SPF: yes · DMARC: yes (p=reject) · CAA: none

codebig2.net

DNSSEC: no · SPF: no · DMARC: no · CAA: none

Source

Domain Security

generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.comcast.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 29 23:59:59 2026 GMT
  hsts: null
- host: docs.developer.comcast.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 16 08:54:59 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: sat-prod.codebig2.net
  https: true
  tls_version: TLSv1.3
  cert_expires: Jan  6 23:59:59 2027 GMT
  hsts: null
domains:
- domain: comcast.com
  dnssec: true
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject
- domain: codebig2.net
  dnssec: false
  caa: []
  spf: false
  dmarc: false