Public DNS resolver · Cisco Umbrella
TUE · 28 JUL 2026
OpenDNS
Resolver addresses
- 208.67.222.222
- 208.67.220.220
- 2620:119:35::35
- 2620:119:53::53
- https://doh.opendns.com/dns-query
- 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.