An SRV record is one of many types of DNS records available. It specifies a host and a port for specific services such as Voice Over IP, locating Active Directory domain controllers, etc.
The SRV record differs from the typical DNS records since it includes both a host and a port, whereas most other DNS records only contain one host attribute.
The SRV record's primary purpose is to facilitate service discovery to locate a specific service hosted within a host.
The SRV record differs from the typical DNS records since it contains a service name and attributes such as a port number and protocol.
The typical SRV record contains the following attributes:
You can perform an SRV record lookup by executing the following steps:
An A record only points to the specific IP address of the hostname. However, the SRV record specifies the hostname and port of a particular service and provides more information regarding how it handles the service communication.
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