Project Gutenberg · Domain Security

Gutenberg Domain Security

Domain security

Domain security posture for Project Gutenberg, probed live across 2 host(s) and 2 registrable domain(s). 2 host(s) serve HTTPS (up to TLSv1.3); 0 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF absent, DMARC absent.

BooksEbooksPublic DomainLiteratureLibraryMetadataEPUB

Transport & Host Security

www.gutenberg.org
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Nov 14 23:59:59 2026 GMT
gutendex.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Sep 12 10:44:01 2026 GMT

Domain (DNS/Email) Security

gutenberg.org
DNSSEC: no · SPF: no · DMARC: no · CAA: none
gutendex.com
DNSSEC: no · SPF: no · DMARC: no · CAA: none

Source

Domain Security

Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.gutenberg.org
  https: true
  tls_version: TLSv1.3
  cert_expires: Nov 14 23:59:59 2026 GMT
  hsts: false
- host: gutendex.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 12 10:44:01 2026 GMT
  hsts: false
domains:
- domain: gutenberg.org
  dnssec: false
  caa: []
  spf: false
  dmarc: false
- domain: gutendex.com
  dnssec: false
  caa: []
  spf: false
  dmarc: false