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Yandex DNSCIRA Canadian Shield
Free

Free to use.

 Free

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

Web Windows, macOS, Android, iOS, Browser extension
  • No software to install, only a DNS setting change
  • Optional blocking of adult and dangerous sites
  • Blocks phishing, malware, botnets and scam sites
  • Optional adult content filtering for families
  • All DNS lookups go to Yandex
  • Little control over the block lists compared with self-hosted filters
  • Built primarily for Canadian users
  • No custom blocklists or per-domain control described
Hosted service Downloadable app, Hosted service, Browser extension
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 October 1, 2026

Checked September 24, 2026

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