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net/dns/publicdns: support CIRA Canadian Shield

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RELNOTE=Add DNS-over-HTTPS support for CIRA Canadian Shield

Fixes #18524

Signed-off-by: Andrew Dunham <andrew@tailscale.com>
This commit is contained in:
Andrew Dunham
2026-01-26 12:36:02 -05:00
committed by Andrew Dunham
parent 9d13a6df9c
commit 0e1b2b15f1
1 changed files with 20 additions and 0 deletions
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net/dns/publicdns/publicdns.go
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@@ -275,6 +275,26 @@ func populate() {
addDoH("76.76.10.4", "https://freedns.controld.com/family")
addDoH("2606:1a40::4", "https://freedns.controld.com/family")
addDoH("2606:1a40:1::4", "https://freedns.controld.com/family")
// CIRA Canadian Shield: https://www.cira.ca/en/canadian-shield/configure/summary-cira-canadian-shield-dns-resolver-addresses/
// CIRA Canadian Shield Private (DNS resolution only)
addDoH("149.112.121.10", "https://private.canadianshield.cira.ca/dns-query")
addDoH("149.112.122.10", "https://private.canadianshield.cira.ca/dns-query")
addDoH("2620:10a:80bb::10", "https://private.canadianshield.cira.ca/dns-query")
addDoH("2620:10a:80bc::10", "https://private.canadianshield.cira.ca/dns-query")
// CIRA Canadian Shield Protected (Malware and phishing protection)
addDoH("149.112.121.20", "https://protected.canadianshield.cira.ca/dns-query")
addDoH("149.112.122.20", "https://protected.canadianshield.cira.ca/dns-query")
addDoH("2620:10a:80bb::20", "https://protected.canadianshield.cira.ca/dns-query")
addDoH("2620:10a:80bc::20", "https://protected.canadianshield.cira.ca/dns-query")
// CIRA Canadian Shield Family (Protected + blocking adult content)
addDoH("149.112.121.30", "https://family.canadianshield.cira.ca/dns-query")
addDoH("149.112.122.30", "https://family.canadianshield.cira.ca/dns-query")
addDoH("2620:10a:80bb::30", "https://family.canadianshield.cira.ca/dns-query")
addDoH("2620:10a:80bc::30", "https://family.canadianshield.cira.ca/dns-query")
}
var (