When a given app requests an address of DNS all records matching that request are returned. It is up to the app which one is used, and in what order, and up to DNS to shuffle the order of return.
> On Jan 31, 2015, at 14:13, "J- P" <[email protected]> wrote: > > hi all > > I have a question regarding secondary A records for redundancy using an App > > This article seems to say that web browsers will retry a second ip if one > fails to res;pond > and that it is the OS & or the browser that allows this to happen. > > http://webmasters.stackexchange.com/questions/10927/using-multiple-a-records-for-my-domain-do-web-browsers-ever-try-more-than-one > > Client has a timesheet system that is web based but also has a proprietary > app written by the software vendor, so my question is > > When it comes to apps does the OS or the app do the round robin? > > >
