An SRV record, which means Service record, is a DNS entry which is used to identify the servers which run a certain service for a domain name. Quite simply, you will be able to use your domain not just for an Internet site, but also for an instant messaging server, a video streaming host or perhaps a Voice-Over-IP server, for instance, while you still have a site with it. When you set up the SRV record, you may choose what Internet Protocol it's going to use, on which port the connection to the specific server is going to be established as well as the priority and the weight of the record in case that you have several SRV records for the exact same service. The second option will permit you to employ different machines for load balancing and redundancy. Using this type of DNS records, you may use the same domain address for a number of purposes and even with different providers if the same one is unable to provide all services that you need.