It is showing as the rates provided by the app. May I know which app you are using? Also, after you add the DHL commerce, are you able to display the rates at checkout?
Can I know where you are based from and which country you are shipping to?
DHL Express is limited to shipping from the continental U.S. only. This excludes U.S. territories such as Hawaii, Puerto Rico, and Alaska.
DHL Express doesn't provide shipping to Russia.
Live rates at checkout in Shopify require the Shopify Advanced Plan. Ensure you have the third-party calculated shipping rate feature as part of your Shopify account.
Alternatively, you may request this feature from Shopify as an 'add-on' for an additional monthly fee.