3. Enter the custom domain in the text box and click next. 4. Obtain the TXT or MX Verification Record. Click the See instructions for performing this step with: drop-down box to select the DNS hosting provider, or just choose General Instructions to see what needs to added to the DNS. The last step is to log into the DNS provider and add either the TXT or MX Verification Record. (Only one is required.) *Some DNS hosts do not allow the use TXT records; that is why an MX record is provided. *The Verification Records are used only for verification and will not affect the functionality of the current domain.