An SRV record, which signifies Service record, is a DNS entry that is used to define the servers that run a particular service for a domain. In other words, you’re able to use your domain name not just for a site, but also for an instant messaging server, a video streaming host or a Voice-Over-IP server, for instance, while you still have a site with it. If you create the SRV record, you can pick what IP it is going to 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 provided that you have a number of SRV records for the very same service. The latter option will enable you to use different machines for load balancing and redundancy. Using this type of DNS records, you could use the same domain for a variety of purposes and even with different providers if the same one is not able to provide all services you need.