NSPrivacyTrackingDomains: does specifying a third-level domain affect other domains under the same second-level domain?

Because the latest privacy manifest file requires inclusion for submissions after May 1st, based on the document: https://developer.apple.com/documentation/bundleresources/privacy_manifest_files I have two questions regarding the NSPrivacyTrackingDomains field:

  1. In my app, NSPrivacyTrackingDomains and regular user login registration data loading use the same second-level domain "myapp.com". If "tracking.myapp.com" is specified in NSPrivacyTrackingDomains but the user does not grant tracking permission to the App Tracking Transparency framework, can the app still access the network through third-level domains such as "login.myapp.com" or "data.myapp.com"?
  2. At the bottom of the document, there is a note: "You only need to supply NSPrivacyAccessedAPITypes for apps and third-party SDKs on iOS, iPadOS, tvOS, visionOS, and watchOS." Does this mean that NSPrivacyTrackingDomains and NSPrivacyTracking properties do not need to be filled out as of May 1st? Will there be any issues if they are not filled out?

Eagerly awaiting your response! Thanks!!!