Adobe uses a service called "Adobe Genuine Service" (AGS). Even if you block servers via CMD, AGS scans your registry. If it detects a mismatch between your Adobe ID and the cracked DLL, it will pop up a black "Non-genuine software" banner on your screen that you cannot remove without a clean OS reinstall.
CMD cannot generate new valid licenses. If a YouTube video claims otherwise, it’s likely distributing malware. How To Activate Adobe Acrobat Dc Using Cmd