SRV Record Server Availability

[Wilfred Sarmiento]

Hi Tale, Happy new year!

Your understanding is correct, i just thought that SRV can detect whose
server is alive so it can choose and provide an answer with the available
Server.

Thank you!



On Tue, 5 Jan 2021, 23:53 tale <d.lawrence at salesforce.com> wrote:

> On Tue, Jan 5, 2021 at 4:30 AM Wilfred Sarmiento via bind-users
> <bind-users at lists.isc.org> wrote:
> > Is DNS Bind SRV record can detect the Server's availability? If yes, how?
>
> Could you provide more information about your goal?  I don't fully
> understand the question.
>
> For my reading, the answer is basically no, in that an SRV record just
> provides data about where.a particular service can be found.  It's up
> to other systems to fetch that data and interpret it, including
> whether that service is actually available at the given endpoint.  In
> its typical operation, BIND will just take whatever name and port the
> zone administrator said to provide for that SRV record, and not do any
> sort of availability checks on it.
>
> However, if you go deep into a far more complicated, custom use of
> BIND, you could set up a process that monitors the availability and
> changes the SRV record accordingly.
> --
> tale
>

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