British National Bibliography · Domain Security

British National Bibliography Domain Security

Domain security

Domain security posture for British National Bibliography, probed live across 1 host(s) and 1 registrable domain(s). Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=quarantine).

BooksPublic APIs

Transport & Host Security

bnb.data.bl.uk
HTTPS: no · HSTS: no

Domain (DNS/Email) Security

bl.uk
DNSSEC: no · SPF: yes · DMARC: yes (p=quarantine) · CAA: none

Source

Domain Security

british-national-bibliography-domain-security.yml Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: bnb.data.bl.uk
  https: false
domains:
- domain: bl.uk
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: quarantine