An SRV record is a DNS record, that is used to redirect a domain name to a third-party server and employ it for some service different from a site. This could be a Voice-Over-IP server, a video streaming service, an instant messaging system, and so forth. When an SRV record is created, you can specify an Internet Protocol that the domain name will use and the port, which is to be employed to connect to the remote server. Moreover, in case you have many SRV records for the very same service, you are able to set individual priorities and weights for every single one of them, so that you can spread the load between many machines. Such a record allows you to use the same domain or subdomains under it with different providers, so you're able to employ it for various purposes even if you are not able to get all of the services from a single provider.