An SRV record, which means Service record, is a DNS entry employed to outline the servers which run a certain service for a domain name. Quite simply, you can use your Internet domain not just for a site, but also for an instant messaging server, a video streaming host or a Voice-Over-IP server, for example, while you still have an Internet site with it. Whenever you set up the SRV record, you can pick what IP it is going to employ, on which port the connection to the particular server is going to be established as well as the priority and the weight of the record in case that you have a number of SRV records for the exact same service. The latter option will permit you to employ different machines for load balancing and redundancy. Using this type of DNS records, you may use the same domain address many different purposes and even with different companies if the same one can't provide all services you need.