While it is technically a public IP address (registered to the Amazon Data Services), it is not a widely advertised public DNS resolver. Attempting to use it for standard internet browsing will likely result in a failure to resolve. www.redelijkheid.com Popular Alternative Public DNS Resolvers
Using 3.3.3.3 as your DNS resolver is relatively straightforward. Here are the steps to configure 3.3.3.3 on your device: dns 3.3.3.3
If you were planning to use 3.3.3.3, you should instead use one of the reliable addresses above. Here is how to configure them: While it is technically a public IP address