An SRV record is a DNS record, that is used to point a domain name to a third-party server and use it for a service different from a web site. This may be a Voice-Over-IP server, a video streaming service, an instant messaging system, and so on. When an SRV record is created, you can specify an Internet Protocol the domain address will use and the port, which will be used to connect to the remote server. Additionally, provided that you have numerous SRV records for the very same service, you'll be able to set individual priorities and weights for each one of them, so that you can send out the load between a number of machines. Such a record allows you to employ the same domain or subdomains under it with different providers, so you're able to use it for various purposes even if you cannot get all services from one service provider.