i am receiving notifications from notiftoday.online

This is not a virus, but it is a roque notification

Try to remove this notification that is most likely coming from safari like this way

1. From the "Safari" tab, click "Preferences"
2. Head to the "Websites" **tab.
3. Click on the "Notifications" button on the left menu.
4. Set the permission to "Deny" for the website.