Protective DNS for the private sector
Download this document free
Get this document with your free trial. Choose from the full Complyzard library.
Try 1 month free30 days free, then $19/month. Trial terms apply. Card required. Cancel anytime.Document information
Help on selecting and deploying protective Domain Name Systems (DNS) for private sector organisations who can't use the NCSC's public sector PDN service
Adapted edition
- Document type
- Reference Guide
- Format
- DOCX
- Pages
- 5
- Language
- English
- Version
- 1.0
- Updated
- 2026-09-16
- Category
- Information security
- Licence
- Open Government Licence v3.0
Description
Help on selecting and deploying protective Domain Name Systems (DNS) for private sector organisations who can't use the NCSC's public sector PDN service for organisational planning, review and training. NCSC guidance is advisory and should be applied to the organisation's own risks and obligations.
Contents
- This guidance is aimed at private sector organisations who do not qualify to use the NCSC's Protective DNS (PDNS).
- Why you should use Protective DNS
- Blocked by PDNS
- Selecting a trusted PDNS provider
- Administration
- Interfaces and insights
- Logging and exporting data
- Capability
- Allow and deny lists
- Blocking
- Protocol extensions
- Deployment
- Complex networks
- Supporting roaming and home users
- Preventing circumvention of PDNS resolvers
- Provider assurances
- Source links
Source and licence
National Cyber Security Centre
AttributionNational Cyber Security Centre, “Protective DNS for the private sector” (9 June 2021), reused under the Open Government Licence v3.0.
ChangesAdapted 16 September 2026: converted the official HTML article into neutral text-only DOCX and PDF editions. Preserved article headings, paragraphs, lists and plain-text source-link destinations; normalized web whitespace and typographic punctuation; omitted site navigation, topic and download cards, images, logos, scripts, styles and page furniture.
Version history
- v1.016/09/2026