Using DNS Lookups
CloudTest has the ability to perform DNS lookups from within the Maestros used in a test via settings found in the Target Editor > DNS Options section. Clip-level overrides can also be set (see DNS Options in the Clip Editor below). These lookups are performed once, and then cached across all Virtual users (Parallel Repeats).
Using this feature each Maestro can be made to appear as a different ISP as a means of load distribution. This feature should be put into use in the following cases:
- When a global website is using a load balancer that is based on the originating DNS server.
- When a test composition will be retrieving a lot of CDN resources.
- When an existing test is producing a lot of DNS based errors.