Registrars with free DynDNS services of my own domains.

[lenz]

if i may ... don't

you miss a very important point here. DNS is bitch when it comes to
caching and large providers. never mind what you have as expire times
many large providers cache for a day to reduce their DNS traffic. if
you run a NS server on a dynamic IP this can be more of a lottery than
a solution. dyndns works fairly well for stuff that can live with
small expire times and is not mission critical. a ns record _is_
mission critical as without it not only your website is offline but
potentially your mail other stuff.

in your case i would get a cheap vhost somewhere and run the second ns
there (slicehost, smallest slice or such) and have a stable solution
or use the DNS from your provider or any other DNS hoster that offers
an API if you want to update records.

cheers
lenz

On Wed, Feb 24, 2010 at 9:17 PM, Marcin M. Jessa <lists at yazzy.org> wrote:
> On 02/22/2010 10:39 PM, Marcin M. Jessa wrote:
>>
>> Hi guys.
>>
>> Many registrars offer free DNS hosting if you register your domain with
>> them.
>> I need  a bit more. I need a registrar which not only will "host" my own
>> domains but also in exchange give me
>> a dyndns service so I can automatically update the @ records of my domains
>> as an extra free of charge service.
>> Do you guys know of any registrars that can do that?
>>
> I actually figured out I can run my own services for all my domains
> on a dynamic IP without breaking any DNS related RFC.
>
> I have 2 DNS servers, a master with static IP and a slave with dynamic IP
> (both can actually have a dynamic IP).
> The resgistrar (godaddy) does not require IPs when defining custom DNS
> servers so one of the
> DNS servers can run just fine on a dynamic IP as long as it's host has
> defined an A record and not a CNAME.
> And as long as the Arecord for my domains is not set it should be fine.
>
> But not having A records for the domains will of course mean that
> I won't be able to access http://domain.tld , just http://www.domain.tld
> But there is a solution to it too.
> Having access to the master DNS I just can easly update all the A records
> with a script.
> I use PowerDNS to host my domains and it's just a metter of running one
> SQL query to have everything updated and working just fine.
>
> All I have to do is to check if IP of my dyndns host has changed and run the
> SQL query
> to update all the A records on the master server to match that new IP.
>
>
> Thanks.
>
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