Public DNS resolver · Cisco Umbrella SAT · 12 SEP 2026

OpenDNS

Operated by Cisco Umbrella · Since 2005 · Anycast

Resolver addresses
IPv4 primary
208.67.222.222
IPv4 secondary
208.67.220.220
IPv6 primary
2620:119:35::35
IPv6 secondary
2620:119:53::53
DNS-over-HTTPS
https://doh.opendns.com/dns-query
DNS-over-TLS
dns.opendns.com
About this resolver
The oldest still-operating public DNS, launched in 2005. Acquired by Cisco in 2015 and now part of Cisco Umbrella. Family Shield variant (208.67.222.123) blocks adult content. The commercial Umbrella product layers categorisation, allow-lists and reporting on the same backbone.
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