[Sysadmins] DNS issues
nick at netability.ie
Thu Mar 27 15:45:59 GMT 2014
On 27/03/2014 14:59, Harry Duncan wrote:
> Mailserver was slaved off "Irish Broadband" DNS servers at the data center,
> which I changed to Google open access DNS, and the problem has largely
if you have enough server nous to run an MTA, you probably ought to run
your own resolver too. pdns_recursor and unbound both make good choices.
It is usually a better idea to use a dns server close to you, rather than
> Been monitoring it, and got a repeat of the error for a single .ie that was
> sending in mail.
> Also noticed this week that the IEDR has been slower than usual on
> actioning requests, could be totally unreleated.
work queue load is not related to dns server capacity.
> Anybody else noticing DNS oddness lately?
nope! Could be a problem restricted to that .ie domain. Have you checked
the domain out with a domain checker? e.g. http://mydnscheck.com
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