An SRV record is a DNS record, that is used to redirect a domain to a third-party server and employ it for some service different from a site. This can be a Voice-Over-IP server, a video streaming service, an instant messaging system, and so on. When an SRV record is set up, you are able to specify an Internet Protocol that the domain address will use and the port, which will be employed to connect to the remote server. Additionally, in case you have several SRV records for the exact same service, you are able to set various priorities and weights for each one of them, so you're able to spread the load between many machines. Such a record will enable you to use the same domain or subdomains under it with different companies, so you can employ it for different purposes even if you are unable to get all of the services from one provider.