What Is 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.

How do DNS SRV records work?

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 does a SRV record contain?

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.

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 SRV used for?

srv. Srv is a serve folder. It holds site specific data to be served by the system for protocols such as, ftp, rsync, www, cvs etc.

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.

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 do you update SRV records?

Steps to update an SRV record

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

What is an A record?

An A record maps a domain name to the IP address (Version 4) of the computer hosting the domain. An A record is used to find the IP address of a computer connected to the internet from a name. The A in A record stands for Address.