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 website. This can be a Voice-Over-IP server, a video streaming service, an instant messaging system, and many others. When an SRV record is created, you are able to specify an Internet Protocol which the domain name will use and the port, which will be employed to connect to the remote server. Also, in case you have numerous SRV records for the exact same service, you could set individual priorities and weights for each and every one of them, in order to spread the load between several machines. Such a record will permit you to employ the same domain or subdomains under it with different providers, so you can use it for different purposes even if you cannot get all services from just one service provider.