To verify your domain, do the following:
Log into your Facebook business account and go to the "
Brand safety → Domains»:

On the page that opens, click "
Add to»:

In field "
Domain name»Specify the required domain (no protocol
http://
or
https://
) and press "
Add domain»:

After adding a domain, it will appear in the column "
Domains"With the comment"
Confirmation pending»:

Select the added domain and verification method:
To verify your domain, do the following:
Select confirmation method "
The confirmation DNS"And copy the resulting record:

Add a new record for the data domain:
Wait for the update
DNS cache... This usually takes several hours (maximum 72).
Click "Confirm».
It is not recommended to delete the entry even after confirmation.
To confirm a domain using this method, you must have access to files on the server where the domain is directed.
If the domain is directed to our hosting, then to confirm it, do the following:
Select confirmation type "
File upload HTML»:

Press on "
HTML verification file”And download the test file.
-
Check the availability of the file from the link marked in the screenshot.
If the file is available, clickConfirm».
It is not recommended to delete the file even after confirmation.