What is 208.67.222.222?
208.67.222.222 is the primary IP address of Cisco OpenDNS, a public DNS resolver acquired by Cisco in 2015. OpenDNS offers content filtering and phishing protection on top of standard DNS resolution. It is commonly used in enterprise networks and by home users who want parental controls or malware blocking at the DNS level.
Privacy note
208.67.222.222 appearing in a DNS leak test often indicates an enterprise or router-level DNS configuration. Many ISP routers and corporate networks use OpenDNS. If you see this on a VPN, the VPN's DNS is not overriding your network DNS.