> ## Documentation Index
> Fetch the complete documentation index at: https://namehash-krzysztofwrobel-sc-24494-nameguard-remove-goerli-a.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Reverse lookup of an Ethereum address to a primary name

> ## Performs a reverse lookup of an Ethereum `address` to a primary name.

Data sources for the primary name lookup include:
1. The Ethereum Provider configured in the NameGuard instance.
2. For ENS names using CCIP-Read: requests to externally defined gateway servers.

Returns `display_name` to be shown to users and estimates `impersonation_status`.

<RequestExample>
  ```bash cURL
  curl --request GET \
    --url https://api.nameguard.io/secure-primary-name/{network_name}/{address}
  ```

  ```ts SDK
  const report = await nameguard.getSecurePrimaryName("0x...");
  ```
</RequestExample>