Question: What Is A DNS SRV Record?

A Service record (SRV record) is a specification of data in the Domain Name System defining the location, i.e., the hostname and port number, of servers for specified services.

What is the main purpose of SRV records?

SRV (Service) records are custom DNS records. They are used to establish connections between a service and a hostname. When an application needs to find the location of a specific service, it will search for a related SRV record.

How do I create a DNS SRV record?

Manually configure your SRV record

  • Click the “Add a record” button at the bottom of the DNS editor.
  • Enter the service and protocol portions in the Name field of the DNS editor.
  • Ignore name , as the domain name is added for you, based on the domain whose DNS you are editing.
  • Select SRV from the Type drop-down menu.

What is a TXT record DNS?

A TXT record (short for text record) is a type of resource record in the Domain Name System (DNS) used to provide the ability to associate arbitrary text with a host or other name, such as human readable information about a server, network, data center, or other accounting information.

What is Autodiscover SRV record?

Generally the Exchange external Autodiscover DNS entity is configured as a regular A record. Sometimes a service record (SRV) is used instead. Since I have the habit of forgetting the syntax of quickly querying for the SRV record, this is one of those shared bookmark posts! Nslookup is the tool of choice here!

How does SRV records work?

SRV Records

An SRV record typically defines a symbolic name and the transport protocol used as part of the domain name. It defines the priority, weight, port, and target for the service in the record content. The final two values in the record define the port and hostname to connect to for accessing the service.

What does SRV mean?


SRVSafety Relief Valve
SRVSports Recreation Vehicle

31 more rows

How do I check my SRV records?

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

  1. On your DNS, click Start, and then click 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 Domain_Name is the name of your domain, and then press ENTER.

Is DNS required for Active Directory?

Active Directory must be supported by DNS in order to function properly, but the implementation of Active Directory Services does not require the installation of Microsoft DNS. A BIND DNS or other third-party DNS will fully support a Windows domain.

What is an MX record for a domain?

Mail Exchange (MX) records are DNS records that are necessary for delivering email to your address. In simple DNS terms, an MX record is used to tell the world which mail servers accept incoming mail for your domain and where emails sent to your domain should be routed to.

How does DNS TXT record work?

TXT records are a type of Domain Name System (DNS) record that contains text information for sources outside of your domain. You add these records to your domain settings. You can use TXT records for various purposes. Google uses them to verify domain ownership and to ensure email security.

How do I add a TXT record to my DNS?

Add a TXT record

  • Click a domain name in the list below to go to its DNS Management page:
  • On the DNS Management page, at the bottom of the Records section, click Add and select TXT from the menu.
  • Complete the following fields: Host – Enter the host name for the TXT record.
  • Click Save.

How do you enter a TXT record in DNS?

Adding a TXT Record

  1. Log in to your account.
  2. Click on the MY DOMAINS button, located on the top right hand corner.
  3. Click on the domain name you wish to create a TXT record for.
  4. Click Manage DNS Records.
  5. Here you will add the desired TXT record, provided by your host.

How do I know if Autodiscover is working?

How to Test Autodiscover Functionality in Microsoft Outlook

  • Press and hold CTRL and then right-click the Outlook icon in the system tray or notification area on the lower-right corner of the screen.
  • From the menu, select Test E-mail AutoConfiguration.
  • Enter your email address and password for the domain you want to check.

What does an autodiscover record do?

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. Autodiscover relies on a correct CNAME DNS record for your domain.

What is the purpose of an exchange Autodiscover?

Introduced in Exchange Server 2007, the primary purpose of the Exchange Autodiscover service is to establish initial connections to Exchange user mailboxes. Once that connection has been made, it also helps Outlook access Exchange Server features such as the offline address book and unified messaging.

How do you update SRV records?

Steps to update an SRV record

  1. Click ‘Manage’ from the menu at the top of the page.
  2. Click on the domain name for which you would like to update the SRV record.
  3. Select the ‘NS/DNS Records’ tab.
  4. Click on the pencil icon to the right of the record you need to update.

What is SRV record in Mongodb?

MongoDB Seed Lists

This allows a client to connect to a replica set even if one of the nodes that the client specifies is unavailable. Instead, a single SRV record identifies all the nodes associated with the cluster (and their port numbers) and an associated TXT record defines the options for the URI.