From Vsevolod Kaloshin, @Sevchik403 via Twitter:
@AzureSupport Hello! I can't add domain in Azure AD. Error: "Could not verify this domain because it was previously configured for your ..."
@AzureSupport I deleted my domain from AAD tenant, and i wanted add it again, but an the error occurred.
Twitter URL: https://twitter.com/Sevchik403/status/653656088752095232
Thanks!
@AzureSupport