In this Security Best Practices Service, we give you Security Tips and best practices and guideline is for your company. so your securing domain admins, local administrators, audit policies, monitoring AD for compromise, password policies, vulnerability scanning and much more.
Microsoft recommends that when DA access is needed, you temporarily place the account in the DA group. When the work is done your account should remove from the DA group. This process is also recommended for the Enterprise Admins, Backup Admins and Schema Admin groups.