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CIRA Canadian ShieldYandex DNS
Free

Free, provided by a national not-for-profit.

 Free

Free to use.

Windows, macOS, Android, iOS, Browser extension Web
  • Blocks phishing, malware, botnets and scam sites
  • Optional adult content filtering for families
  • No software to install, only a DNS setting change
  • Optional blocking of adult and dangerous sites
  • Built primarily for Canadian users
  • No custom blocklists or per-domain control described
  • All DNS lookups go to Yandex
  • Little control over the block lists compared with self-hosted filters
Downloadable app, Hosted service, Browser extension Hosted service
Closed source Closed source
License not stated License not stated
Not stated if an account is needed Not stated if an account is needed
Needs internet Needs internet

Checked September 24, 2026

Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.