Re: [exim] Using OpenDNS

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Author: Mike Cardwell
Date:  
To: exim-users
Subject: Re: [exim] Using OpenDNS
On 02/02/2010 19:33, Martin Nicholas wrote:
> Careful when using OpenDNS. Examples:
>
> smtp5:/# host -t mx sdsdsdsdsdsdsdsdsgmail.com 208.67.220.220
> sdsdsdsdsdsdsdsdsgmail.com does not exist at resolver2.opendns.com, try again
>
> smtp5:/# host -t a sdsdsdsdsdsdsdsdsgmail.com 208.67.220.220
> sdsdsdsdsdsdsdsdsgmail.com      A       67.215.65.132
>  !!! sdsdsdsdsdsdsdsdsgmail.com A record has zero ttl

>
> smtp5:/# host -t a sdsdsdsdsdsdsdsdsgmail.com
> sdsdsdsdsdsdsdsdsgmail.com does not exist (Authoritative answer)
>
> If you're checking for an A-record you'll always get an answer with OpenDNS.


Unless you turn that off.

-- 
Mike Cardwell    : UK based IT Consultant, Perl developer, Linux admin
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