You can restrict access to a stack or view share links to an email domain. If you do this, anyone that wants to view the contents of your share link will need both the randomly generated URL and to be logged in to an Airtable account using an email address from the specified email domain.
Watch the quick video on how you can Restrict View Sharing By Email Domain:
Learn step by step on how you can restrict access to a view by Email Domain
Step 2: Turn on the toggle that says "Restrict access to an email domain."
Step 3: Doing this will bring up a dialog box in which you can specify the email domain to which you would like to restrict access. Click the blue Set email domain button when you're ready.
Here, the toggle is blue which means Restrict access to an email domain added to this stack.
Step 4: Now If anyone tries to access that link will be informing them that they do not have permission to view the share link contents.
Step 5: Once the email domain is added and if you wish to change it. Simply click on Edit. A dialog box will open and in that, you can set a new email domain.