Can Autodiscover be a Cname?

Typically the autodiscover record is a CNAME because its an alias for the actual client endpoint which is the mail.contoso.com DNS entry which is an A record.

What is an A record on DNS?

The “A” stands for “address” and this is the most fundamental type of DNS record: it indicates the IP address of a given domain. For example, if you pull the DNS records of cloudflare.com, the A record currently returns an IP address of: 104.17. 210.9. A records only hold IPv4 addresses.

What is Autodiscover Cname record?

Autodiscover is a service that automatically configures email clients, such as Outlook. It is a necessary requirement for correct access and smooth operation of your Hosted Exchange service. What is required for Autodiscover to work? Autodiscover relies on a correct CNAME DNS record for your domain.

How do I create an Autodiscover record?

How To Create an Autodiscover Record

Log on to your internal DNS server or domain controller.
Click Start, click Administrative Tools, and then click DNS.
Click to expand.
Click to expand Forward Lookup Zones.
Select the domain for which you would like to create an Autodiscover record.

What is Autodiscover in o365?

Autodiscover is the feature that Outlook uses to obtain configuration information for servers to which it connects. In Outlook 2016 with Exchange servers, Autodiscover is considered the single point of truth for configuration information and must be configured and working correctly for Outlook to be fully functional.

What is the most commonly used DNS resource record?

The most common DNS record types are:

Address Mapping record (A Record)—also known as a DNS host record, stores a hostname and its corresponding IPv4 address.
IP Version 6 Address record (AAAA Record)—stores a hostname and its corresponding IPv6 address.

What is CNAME example?

A CNAME, or Canonical Name record, is a record that points to another domain address rather than an IP address. For example, say you have several subdomains, like www.mydomain.com, ftp.mydomain.com, mail.mydomain.com etc and you want these sub domains to point to your main domain name mydomain.com.

Is Autodiscover still used?

Autodiscover was first introduced in Exchange 2007 and Outlook 2007 to quickly configure Outlook profiles, based on only the username and password. The first implementation of Autodiscover was in Exchange 2007, but it is still used in Exchange 2019.

What is autodiscover record and SPF record?

The Autodiscover record allows client computers to automatically find Exchange and configure the client properly. The MX record tells other mail systems where to send email for your domain. The TXT record for SPF is used by recipient email systems to validate that the server sending your email is one that you approve.