An SRV record, which means Service record, is a DNS entry which is used to define the servers which run a specific service for a domain. Basically, you’ll be able to use your domain name 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 website with it. If you create the SRV record, you can select what Internet Protocol it is going to use, on which port the connection to the particular server is going to be established along with the priority and the weight of the record provided that there are several SRV records for the very same service. The second option will enable you to employ different machines for load balancing and redundancy. Using this type of DNS records, you can use the same domain name for a variety of purposes and even with different providers in case the same one can't provide all services that you need.