An SRV record, which is short for Service record, is a DNS entry that is used to identify the servers which run a certain service for a domain. Quite simply, you’re 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 example, while you still have an Internet site with it. Whenever you set up the SRV record, you can pick what Internet Protocol it will use, on which port the connection to the specific server is going to be established in addition to the priority and the weight of the record assuming that there are several SRV records for the exact same service. The latter option will enable you to use different machines for load balancing and redundancy. With this kind of DNS records, you could use the same domain for various purposes and even with different providers if the same one can't provide all services you need.