Want more Win2K tips and tricks? Automatically sign up for our free Windows 2000 Server newsletter, delivered each Tuesday!Service location (SRV) records in DNS offer flexibility for networks that contain multiple servers for a particular service. One example of when SRV records come in handy is when you have multiple HTTP servers.
SRV records let you easily move a service from one host to another. Using SRV records, you can also designate specific hosts as the primary host for a given service and others as the secondary host.
Resolvers that support SRV records submit a request to the DNS server in the subject domain, requesting a specific TCP/IP service, such as HTTP. The DNS server responds with a list of all servers in the domain that have a corresponding SRV record for the specified service. The client can then choose a host based on that list.
To create an SRV record, follow these steps: