How do I check my Exchange Autodiscover SRV record using nslookup?

To use Nslookup to verify the SRV records, follow these steps:

  1. On your DNS, select Start > Run.
  2. In the Open box, type cmd .
  3. Type nslookup , and then press ENTER.
  4. Type set type=all , and then press ENTER.
  5. Type _ldap. _tcp. dc. _msdcs. Domain_Name , where is the name of your domain, and then press ENTER.

Where can I find Autodiscover SRV records?

Generally the Exchange external Autodiscover DNS entity is configured as a regular A record. Sometimes a service record (SRV) is used instead….Open a cmd prompt and run:

  1. nslookup.
  2. set q=srv.

What is Cname Autodiscover?

A CNAME record is an alias for an Address (A) record that maps an IP address to the target server. If, for example, your domain is, you create a CNAME record for The name in the CNAME record must match a name in a certificate. CNAME records work only for hostnames.

What is Microsoft Autodiscover?

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.

How do I fix Autodiscover?

Follow the steps below to resolve the autodiscover related issues.

  1. Make sure you have correct CNAME record configured for autodiscover feature.
  2. Clear DNS cache on your PC or Mac.
  3. Run Test E-mail AutoConfiguration tool in Outlook to review on what step Outlook fails to connect.

What should Autodiscover CNAME point to?

When deploying Exchange Server 2019, you should create an Autodiscover CNAME record in DNS for the email domain that you intend to use. The CNAME record should point to the external access domain that was configured for Exchange.

How to check AutoDiscover record using nslookup?

Usually, the Exchange external Autodiscover DNS entity is configured as a regular A or CNAME record. In some cases, a service record (SRV) is used instead. Here is a simple syntax of quickly querying for the SRV record: nslookup -q=srv

Where can I find the _ AutoDiscover SRV record?

We will check for the _autodiscover SRV record in the domain. The record points to a host called The full format of this record is: For more reading on SRV records, take a peek at this article . And for Autodiscover in general please review this post. You should see the below output.

What does SRV mean in DNS lookup test?

ABOUT SRV LOOKUP. This test will list SRV records for a domain. The DNS lookup is done directly against the domain’s authoritative name server, so changes to DNS Records should show up instantly. SRV Records are used to provide information about available services available for a domain.

Where can I find Autodiscover service in outlook?

You need to set up a special DNS record for your domain name that points to the server providing Autodiscover services so that Exchange accounts function correctly in Outlook. For external access, or using DNS, the client locates the Autodiscover service on the Internet by using the primary SMTP domain address from the user’s email address.