Windows 2016 dns ptr records not updating
The mail server with the lowest preference number has the highest priority and is the first to receive mail.If mail delivery fails, the mail server with the next lowest preference number is tried.
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Computers that need to be accessed from Active Directory and DNS domains must have DNS records.
Although there are many different types of DNS records, most of these record types aren't commonly used.
So rather than focus on record types you probably The A record maps a host name to an IP address and the PTR record creates a pointer to the host for reverse lookups.
You can create address and pointer records at the same time or separately.
You create a new host entry with A and PTR records by doing the following: You specify host aliases using CNAME records.
Aliases allow a single host computer to appear to be multiple host computers.For example, the host gamma.can be made to appear as ftp.To create a CNAME record, follow these steps: MX records identify mail exchange servers for the domain.These servers are responsible for processing or forwarding mail within the domain.When you create an MX record, you must specify a preference number for the mail server.A preference number is a value from 0 to 65,535 that denotes the mail server's priority within the domain.