how to know what DNS server is being used
roberthuff at rcn.com
Sat Oct 28 13:13:15 UTC 2006
Chad Leigh -- Shire.Net LLC writes:
> > On my registrars site I have two DNS servers listing. How would
> > I know that 1) both are working. 2) which one is being used.
> For #2, do you mean by the world at large? Which one is being
> used when people look up your domain and hosts in your domain?
> Both of them should get used. I don't know what algorithm is
> used but both will be used by people.
As I understand it, when presented with a list of N>1 possible
nameservers standard resolver libraries will pick one at random and
continue to use it until something changes (nameserver goes
off-line, local cache is flushed, etc.).
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