Fitbit · Domain Security

Fitbit Domain Security

Domain security

Domain security posture for Fitbit, probed live across 3 host(s) and 2 registrable domain(s). 3 host(s) serve HTTPS (up to TLSv1.3); 3 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present.

WearableHealthFitnessActivity TrackingHeart RateSleepGoogleIoT

Transport & Host Security

www.fitbit.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Aug 23 19:41:11 2026 GMT
dev.fitbit.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Aug 23 19:41:11 2026 GMT
about.google
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 14 08:37:56 2026 GMT

Domain (DNS/Email) Security

fitbit.com
DNSSEC: no · SPF: yes · DMARC: yes · CAA: yes
about.google
DNSSEC: yes · SPF: yes · DMARC: yes (p=none) · CAA: yes

Source

Domain Security

Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.fitbit.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 23 19:41:11 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: dev.fitbit.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 23 19:41:11 2026 GMT
  hsts: true
  hsts_max_age: 300
- host: about.google
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 14 08:37:56 2026 GMT
  hsts: true
  hsts_max_age: 31536000
domains:
- domain: fitbit.com
  dnssec: false
  caa:
  - 0 issue "amazon.com"
  - 0 issue "pki.goog"
  - 0 issue "digicert.com"
  spf: true
  dmarc: true
- domain: about.google
  dnssec: true
  caa:
  - 0 issue "pki.goog"
  spf: true
  dmarc: true
  dmarc_policy: none