An SRV record is a DNS record, which is used to forward a domain name to a third-party server and employ it for a service different from a web site. This could be a Voice-Over-IP server, a video streaming service, an instant messaging system, and many others. When an SRV record is set up, you could specify an Internet Protocol which the domain name will use and the port, which will be employed to connect to the remote server. Also, if you have several SRV records for the exact same service, you'll be able to set different priorities and weights for every single one of them, so you're able to distribute the load between a number of machines. Such a record allows you to use the same domain name or subdomains under it with different companies, so you're able to use it for various purposes even if you cannot get all the services from a single service provider.