An SRV record, which signifies Service record, is a DNS entry that is used to outline the servers that run a specific service for a domain. Put simply, you’ll be able to use your domain not only for a web 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 site with it. When you set up the SRV record, you can pick what Internet Protocol it is going to employ, on which port the connection to the specific server will be established along with 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 allow you to use different machines for load balancing and redundancy. Using this kind of DNS records, you could use the same domain name for a variety of purposes and even with different companies in case the same one can't provide all services that you need.