# Find FQDNs in AMS
<a name="find-FQDN"></a>

AWS Managed Services (AMS) access change types (CTs) require the fully qualified domain name, or FQDN, of your AMS-trusted domain, in the form of `C844273800838.amazonaws.com`. To discover your AWS FQDN, do one of the following:
+ AWS Console: Look in the AWS Directory Service console in the **Directory name** column.
+ CLI: Use these commands while logged into your domain:

  Windows (returns user and FQDN):

  ```
  whoami /upn
  ```

  or (DC\$1DC\$1DC=FQDN)

  ```
  whoami /fqdn
  ```

  Linux:

  ```
  hostname --fqdn
  ```

**Note**  
The AMS API/CLI (amscm and amsskms) endpoints are in the AWS N. Virginia Region, `us-east-1`. Depending on how your authentication is set, and what AWS Region your account and resources are in, you may need to add `--region us-east-1` when issuing commands. You may also need to add `--profile saml`, if that is your authentication method.