Nameservers, DynDNS, Local DNS

Discussion in 'Installation/Configuration' started by BorderAmigos, Jun 18, 2008.

  1. BorderAmigos

    BorderAmigos New Member

    My ISP has taken to changing my address, which is their right. I was set up with zones for all my domains on my registrars DNS. And would have to change them all every time the IP changes which is a pain. My registrar does not support dynamic DNS so I opened an account with DynDNS.com.

    I changed the name server with my registrar for my main domain to the DynDNS nameservers. I set up A records there for the domain, www, ftp, ns1 and ns2. This is all working fine for the main domain.

    Also I changed my other domain names with my registrar to point to the ns1 and ns2 of my main domain. These are resolving now to my internal IP address, 10.0.0.100. I am guessing that I needed to change the DNS in ISPConfig to the external address now instead of the internal one. I did this and don't see an immediate fix but may need wait for net propagation.

    Is the above correct? If so, since I am running a local client via cron to update the DynDNS service, is there a way I can update the local DNS automatically at the same time? For example, modifying their client to rewrite the dns conf file(s).

    (DynDNS charges for each custom domain name so obviously I only want one there and the other thirty four locally).
     
    Last edited: Jun 18, 2008
  2. BorderAmigos

    BorderAmigos New Member

    After a little propagation time what I did above seems to be working. So my main question is how to update the local DNS when my external IP changes. There is an nsupdate utility with BIND 8 and 9 which I may try but not sure if it will conflict with ISPConfig.

    I need to add an 'allow update...' in the zone files. Will ISPConfig overwrite this in the pri.www.example.com files? If so, in what part of the script is that in, make_vhosts() or similar?

    Maybe this should be in developer thread if not relevant here.
     
  3. falko

    falko Super Moderator Howtoforge Staff

    Yes, but you can modify the templates in /root/ispconfig/isp/conf - please save the modified templates in /root/ispconfig/isp/conf/customized_templates.
     
  4. BorderAmigos

    BorderAmigos New Member

    I assume named.conf.master and pri.domain.master are the templates of interest in this case. So putting copies into customized_templates will read the custom ones instead of the defaults? Cool.

    Another question, if I uncheck 'create dns' on a site and co-domain after it is up and running will that prevent ISPConfig from rewriting pri.domain.conf for that domain?

    PS - I like your photos of Antigua, brings back some memories of visiting there.
     
    Last edited: Jun 19, 2008
  5. falko

    falko Super Moderator Howtoforge Staff

    Yes, but it will still rewrite the files if you change the data on the DNS Manager.

    I would have made more photos, but unfortunately my camera didn't like the wet and hot climate...:rolleyes:
     

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