Regional Service Domain Control for Advanced DNS Security
    DNS Security services now route request and response traffic through the same
        regional service domain, providing greater control and consistency over their routing
        preferences.
    The Advanced DNS Security and DNS Security subscription services now provide
                consolidated service domains and the ability to allow users to manually specify
                their preferred regional FQDN settings. Previously, regional FQDN settings only
                impacted Advanced DNS Security response traffic, while request traffic continued to
                route through the global service domain for inspection. With this update, 
both DNS Security and Advanced DNS Security
                    traffic (requests and responses) will now be consistently routed to the default
                    (or user-defined) regional service domain. This update creates a more
                unified and predictable experience for your DNS security services as it establishes
                a consistent DNS security inspection process by ensuring both request and response
                traffic follow the same regional routing path. The change provides better alignment
                with chosen regional points of presence and gives customers greater control when
                using regional service domains for their security infrastructure.