An SRV record is a DNS record, that is used to forward a domain name to a third-party server and use it for some service different from a website. This could be a Voice-Over-IP server, a video streaming service, an instant messaging system, and so on. When an SRV record is created, you could specify an Internet Protocol which the domain name will use and the port, that will be used to connect to the remote server. Furthermore, if you have many SRV records for the very same service, you can set individual priorities and weights for every single one of them, in order to send out the load between a number of machines. Such a record will enable 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 just one service provider.