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Oct 30, 2025
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Add test case to UR guide #485

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7 changes: 7 additions & 0 deletions src/pages/resolvers/universal.mdx
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Expand Up @@ -13,6 +13,13 @@ The Universal Resolver is a smart contract that simplifies the process of resolv

Adopting the universal resolver will make the transition to [ENSv2](https://ens.domains/ensv2) seamless.

## Test Case

You might be asking yourself, "How do I know if my application is already using the Universal Resolver?"

To answer that question, we've prepared a test case. If you're using the Universal Resolver, your app should resolve `ur.gtest.eth` to `0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE`. If it's not, it will resolve to `0x1111111111111111111111111111111111111111`.


## Implementation Guide

The Universal Resolver should be treated as the canonical entrypoint to ENS for name resolution. `0xeEeEEEeE14D718C2B47D9923Deab1335E144EeEe` is the official deployment address on Ethereum Mainnet and testnets, which is a proxy contract owned by ENS DAO that will be upgraded to support [ENSv2](https://ens.domains/ensv2) in the future.
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