An SRV record, which means Service record, is a DNS entry that is used to define the servers which run a particular service for a domain. Put simply, you’re able to use your domain name not only for an Internet site, but also for an instant messaging server, a video streaming host or a Voice-Over-IP server, as an example, while you still have a website with it. Whenever you set up the SRV record, you can pick what Internet Protocol it's going to employ, on which port the connection to the particular server will be established in addition to the priority and the weight of the record assuming that there are several SRV records for the very same service. The second option allows you to use different machines for load balancing and redundancy. Using this kind of DNS records, you may use the same domain for various purposes and even with different providers if the same one is not able to provide all services that you need.