nameserver and databases (e.g. mysql)

Peter Dambier peter at
Thu Feb 16 09:08:58 UTC 2006

Marco Schumann wrote:
> And again for the list:
> Marten Lehmann schrieb:
>>since everything is working in realtime nowadays I'm asking myself how I 
>>can update two or three nameservers at the same time.
>>AXFR zone transfers are a bad idea, because you never know when the 
>>other nameserver will have a certain zone synchronized. Also, for a new 
>>zone to be synchronized, the second and third nameserver need a new zone 
>>entry in the named.conf and they need to be reloaded with rndc.
>>Also, treating all nameservers as primary, thus creating zones and do 
>>the reload on each server is not reliable for a realtime interface, 
>>because one nameserver might be down and the zone creation couldn't be 
>>done. Or maybe several creations at the same time would interfere and 
>>create a broken named.conf (since always the whole file has to be 
>>My goal is to provide an interface to my customers where they can send 
>>the zone-data and immediately receive a response and can be sure, that 
>>the zone is created or updated on all three nameservers within seconds. 
>>I think the only way to achieve this is having a nameserver that uses a 
>>database instead of zonefiles and serves all requests directly from it. 
>>Thus the replication mechanisms of the database can keep track of 
>>updates being processed on all nameservers (e.g. one instance of mysql 
>>on each nameserver using mysql-replication).
>>How could I do this with BIND? Actually, I just need an authoritative 
>>only nameserver, many of the features that BIND offers wouldn't be used 
>>in my purpose. I heard of the following three projects:
>>MyDNS (
>>PowerDNS (
>>Mysql-sdb (
>>I'm not sure which of the projects is the most sophisticated one and 
>>provides a similar reliability to BIND with zone files. Have you heard 
>>of them and can send comments? Do you know other stable projects? Do you 
>>have other solutions for my problem?
> Hello Marten,
> I have good experience with PowerDNS and some 100.000 zones with a mysql
> backend.
> Kind regards

Hi Marten, hi Marco,

we have both


in our queue for testing.

PowerDNS is ready for use.

Peter and Karin Dambier

Peter and Karin Dambier
The Public-Root Consortium
Graeffstrasse 14
D-64646 Heppenheim
+49(6252)671-788 (Telekom)
+49(179)108-3978 (O2 Genion)
+49(6252)750-308 (VoIP:
mail: peter at
mail: peter at

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