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What is DNS security?
DNS-layer security
DNS security best practices
DNS security test
Protective DNS
- NCSC PDNS
- PDNS for Schools
DNS sinkhole
Free DNS protection
DNS attacks
Malicious domain checker
Encrypted DNS
DNSSEC
Cisco DNS-layer security
- Umbrella vs DNSFilter
- DNS Defense vs Umbrella
DNS security solutions
DNS roaming clients
DNS vs URL filtering
Web filtering for schools
- School filter test

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Forever Systems, part of Forever Group

Forever Systems, part of Forever Group. A Cisco Partner.

DNS security topics

What is DNS security?
DNS-layer security
DNS security best practices
DNS security test
Protective DNS
DNS sinkhole
Free DNS protection
DNS attacks
Malicious domain checker
Encrypted DNS
DNSSEC
Cisco DNS-layer security
DNS security solutions
DNS roaming clients
DNS vs URL filtering
Web filtering for schools

DNS Security UK

Protective DNS and DNS-layer security, from Cisco Umbrella to the alternatives, supplied and set up by Forever Systems

DNS Security UK is a website of Forever Systems, part of Forever Group.

DNS Security UK

What is DNS security?
DNS-layer security
DNS security best practices
DNS security test
Protective DNS
DNS sinkhole
Free DNS protection
DNS attacks
Malicious domain checker
Encrypted DNS
DNSSEC
Cisco DNS-layer security
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Specialist sites from Forever

Cisco Secure product suite
Cisco Duo MFA and zero trust
Cisco Umbrella DNS and web security
Check Point Harmony suite
Sophos Intercept X and Sophos suite
Cloud security: SASE, email, Microsoft 365, XDR
AI security: Check Point Workforce AI Security
ZTNA and SASE: zero trust network access
Managed security services (MSSP, MDR, SOC)
Email security platforms compared
Endpoint protection software
Endpoint security, EDR and XDR

Forever Group

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Cisco security
Cyber security services
Meraki firewall
Meraki SD-WAN
Mobile device management
Microsoft 365
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DNS Security UK is a website of Forever Systems Ltd, part of Forever Group. Cisco and the Cisco logo are trademarks or registered trademarks of Cisco Systems, Inc. and/or its affiliates in the United States and certain other countries. Cisco, Cisco Umbrella, Cisco Secure Access and Talos are trademarks of Cisco Systems, Inc. and/or its affiliates. Webroot is a trademark of Open Text Corporation, ThreatDown is a trademark of Malwarebytes, WatchGuard and DNSWatch are trademarks of WatchGuard Technologies, Inc., and DNSFilter is a trademark of DNSFilter, Inc. Other product and company names are trademarks of their respective owners, including the other security vendors described. This site is operated independently by Forever Systems Ltd and is not an official vendor or NCSC website. Vendors change product names, editions and features regularly, so check current details with us before you buy.

© 2026 Forever Systems Ltd. Page updated 2026-11-01.

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