changing ttl of mx record

enigmedia online-reg at
Mon Oct 10 15:13:28 UTC 2011

On 10/10/2011 9:26 AM, Albert E. Whale, CHS CISA CISSP wrote:
> If you are going to update the IP and TTL, why not adjust both?  This will
take care of some broken DNS packages.
> Hth
Thanks, I had googled around a bit and saw some conflicting opinions about
whether TTL'ing the MX was necessary or even a good idea...but I don't know if
that concern is still true or not?

> Sent from my iPhone
> On Oct 10, 2011, at 10:42 AM, "enigmedia" <online-reg at> wrote:
>> Hi All: If I need to set a short TTL prior to an MX IP change, do I need to
>> modify the TTL of the MX record, or just the A record the MX points to?
>> (There's just a single A record for the MX).
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