Who runs this site
DNS Security UK is a website of Forever Systems, part of Forever Group. We use it to explain the products and services it covers and to help you get a quote that fits your organisation.
What this site covers
The main sections of DNS Security UK are:
- What is DNS security?: How DNS works, why it is a security risk, and what DNS protection can and cannot block.
- DNS-layer security: What layer DNS sits in, which ports it uses, and why DNS is a useful first security checkpoint.
- DNS security best practices: A practical checklist built on NCSC guidance: resolvers, bypass controls, roaming, logging and your own domains.
- DNS security test: How to check which resolver devices use, prove blocking works on and off site, and catch DoH bypass.
- Protective DNS: What protective DNS is, the NCSC service for the public sector, and a checklist for choosing a provider.
- DNS sinkhole: How a DNS sinkhole redirects malicious lookups, how it compares with NXDOMAIN and block pages, and how to use it.
- Free DNS protection: Free DNS protection and DNS filtering options compared, and what a paid service adds for a business.
- DNS attacks: The main DNS attack types, what each one does and which control stops it.
- Malicious domain checker: How to check a suspicious domain safely, what makes a domain malicious and how to block it for everyone.
- Encrypted DNS: DNS over HTTPS and DNS over TLS explained, the privacy gain, the bypass risk and how to keep control.
The site map lists every page.
How we write our pages
We write our pages from each provider's product documentation. Each page shows the date it was last updated at the foot of the page. Prices and terms depend on your organisation, so we confirm them at quote.
Company details
- Company: Forever Systems Limited
- Company number: 07533635
- Registered in England and Wales
- Registered office: Suite D, Astor House, 282 Lichfield Road, Four Oaks, Sutton Coldfield, West Midlands, B74 2UG
- Companies House record: Forever Systems Limited on Companies House
Get in touch
To ask about anything on this site, contact us and we will reply by email. Our privacy notice explains how we handle the details you send us.