Blurb · Domain Security

Blurb Domain Security

Domain security

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

CompanyPublishingPrintingPrint on DemandBooksSelf PublishingPhoto BooksFulfillmentE-Commerce

Transport & Host Security

www.blurb.com
HTTPS: yes · TLS: TLSv1.2 · HSTS: yes · cert expires: Aug 30 23:59:59 2026 GMT
api.rpiprint.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Dec 14 23:59:59 2026 GMT

Domain (DNS/Email) Security

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

Source

Domain Security

blurb-domain-security.yml Raw ↑ 
generated: '2026-07-18'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.blurb.com
  https: true
  tls_version: TLSv1.2
  cert_expires: Aug 30 23:59:59 2026 GMT
  hsts: true
  hsts_max_age: 600
- host: api.rpiprint.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Dec 14 23:59:59 2026 GMT
  hsts: false
domains:
- domain: blurb.com
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: none
- domain: rpiprint.com
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: none

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