I know this may be off-topic for ths list, but I would rather ask here than anywhere.
I'm thinking of setting up or at least trying to setup dynamic dns for my home network. I was hoping someone on the list is knowledgewable about it and can give some advice for service and a client.
I already have a registered domain name and was also wondering if I could add my home network to it somehow. My website is being hosted elsewhere.
Really it depends on what you mean by dynamic DNS. If I talk about setting up "Dynamic DNS" on a LAN usually I mean that if I plug Box X into the LAN then it ought to get a DHCP lease with a dynamically assigned IP address and the DHCP server ought to update the zone file for my internal network such that that IP address maps to whatever Box X thought it's hostname was when it requested the DHCP lease. If that's what you want then simply install bind 9 and dhcpd 3 on a machine on your network and configure them correctly (there's a howto for this somewhere on tldp.org I think. Too lazy to go find it now).
If what you mean is "My home network gets dynamic IP addresses from my ISP and I want to be able to use DNS to get my current IP addresses so I can have reliable remote access" then it's a whole other issue. You could run your own dynamic DNS service, it's not hard to set one up for private use. I don't know of any pre-fab software for this, but you can implement it with a very simple CGI script and apache, provided you actually own your own DNS servers. If you don't have shell access to at least your master DNS servers then this is probably not the way to go.
A much easier solution (but less under your control) is to use a reasonably priced third-party dynamic DNS service (personally I'm quite happy with the service from whyi.org) which will provide its own client. You can use your existing domain, you'll just have to change the registration record to reflect your new nameservers.
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