An SRV record, which stands for Service record, is a DNS entry which is used to outline the servers that run a particular service for a domain. In other words, you can use your Internet domain not just 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. If you set up the SRV record, you may choose what Internet Protocol it's going to employ, on which port the connection to the particular server will be established plus the priority and the weight of the record provided that you have several SRV records for the very same service. The latter option allows you to use different machines for load balancing and redundancy. With this type of DNS records, you may use the same domain name for various purposes and even with different providers in case the same one can't provide all services you require.