Server 2016 reverse dns not updating
Having a reverse DNS record for your domain will prevent email originating from your domain from getting immediately rejected.
RDNS can also be very useful when tracking down network issues and was the original driving force of RDNS.
Typically, users and computers use host names rather than Internet Protocol version 4 (IPv4) or Internet Protocol version 6 (IPv6) network addresses to communicate with other hosts and services on networks.
A Windows Server 2016 service, known as the Domain Name System (DNS) server role, resolves these names into IPv4 or IPv6 addresses.
Power Shell 3.0 can be also installed on Windows 7/2008/2008R2 for more information about that, please check my another article Before we start preparing script for bulk DNS records creation, let’s check if appropriate reverse lookup zone(s) exist(s).PTR records require authoritative DNS nameservers before they can function properly.To find the authoritative DNS nameservers of your server's main IP address, trace the Start Of Authority (SOA).Windows Server 2016 provides the DNS server role to enable you to provide name resolution services to devices and computers in your organization’s network infrastructure.The first stage to provide name resolution is to deploy the DNS server role on Windows Server 2016 server computers.