An SRV record, which stands for Service record, is a DNS entry employed to identify the servers which run a particular service for a domain name. Put simply, you can use your domain name not just for a site, but also for an instant messaging server, a video streaming host or even a Voice-Over-IP server, as an example, while you still have a website with it. Whenever you create the SRV record, you may choose what IP it's going to use, on which port the connection to the particular server is going to be established plus the priority and the weight of the record provided that you have several SRV records for the exact same service. The latter option will permit you to use different machines for load balancing and redundancy. With this type of DNS records, you can use the same domain address for a variety of purposes and even with different providers if the same one is not able to provide all services that you need.