When you have deployed multiple instances of an application at different locations, you can use DNS policy to balance the traffic load between the different application instances, dynamically allocating the traffic load for the application. The following items provide more detail about these capabilities.Īpplication Load Balancing. You can use DNS Policy for Geo-Location based traffic management, intelligent DNS responses based on the time of day, to manage a single DNS server configured for split-brain deployment, applying filters on DNS queries, and more. New Windows PowerShell cmdlets are available for DNS Server. You can use the native IPV6 root hints support to perform internet name resolution using the IPV6 root servers. You can add records which are not explicitly supported by the Windows DNS server using the unknown record functionality. This prevents man-in-the-middle attacks where someone might corrupt the DNS cache to point to their own website, and provide a certificate they issued from a different CA. You can use TLSA (Transport Layer Security Authentication) records to provide information to DNS clients that state what CA they should expect a certificate from for your domain name. By doing this, you avoid the possibility of malicious systems using your DNS servers to initiate a denial of service attack on a DNS client.ĭNS-based Authentication of Named Entities (DANE) You can enable response rate limiting on your DNS servers. DNS policies enable location-aware DNS, traffic management, load balancing, split-brain DNS, and other scenarios. DNS responses can be based on client IP address (location), time of the day, and several other parameters. You can configure DNS policies to specify how a DNS server responds to DNS queries. In Windows Server 2016, DNS Server offers enhanced support in the following areas. This topic describes the Domain Name System (DNS) server functionality that is new or changed in Windows Server 2016. Applies to: Windows Server 2022, Windows Server 2019, Windows Server 2016
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