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The DNS server is hosted at 52207.2475.15164.2837. You will need a secondary resolver for real addresses, such as 4.2.2.1, 4.2.2.2 (Level3), or 8.8.8.8, or 8.8.4.4(Google).
Example
Primary: 52 207.2475.15164.2837
Secondary: 4.2.2.1
Guides are available for Mac, Windows (do steps 1, 2, 3, 6), Linux, and most other devices. You can also do a web search.
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