[TriLUG] OT: Opinion about DNS service

[Aaron Joyner via TriLUG]

Does it actually get an empty authoritative response, an NXDOMAIN failure,
or a time out?  dig output would be idea.

Aaron S. Joyner


On Aug 3, 2017 12:35 PM, "Brian via TriLUG" <trilug at trilug.org> wrote:

Hi gang,

Lately I've been very disappointed with the dynamic DNS I've been getting
from dynip, a Canadian company.  At least once a day, a script of mine that
runs every 5 minutes gets an empty response to a lookup from one of their
nameservers.

I managed to get through to their tech support folks (which wasn't
easy...their own support e-mail system was also broken...), and their
response was "the names[sic] servers are reloaded approx every 10 minutes
so it is possible to issue a query to a specific server and not get a
response as the zones are reloading."

All my script does is "dig +short cheetah.dynip.com A", so the "specific
server" is whatever the resolver decided to use to get the answer.

Is this just an unavoidable window-of-opportunity thing, or should I be
irritated?  Anecdotally, I have yet to observe a failure when checking
dynamic DNS records hosted by Hurricane Electric...

-Brian
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