Off the top of my head, I think what you can do is something like this:
1) Set up your own nameserver or use one of the various nameserver services
out there like pointhq.com that have an API for remotely managing and
updating your DNS records.
2) Set up your DNS records yourself on this new nameserver. Set your
share.gemmill.name DNS record to have a low TTL.
3) Have 1and1 set the nameservers for your domain to be your new
nameserver.
4) Write a script on your owncloud server that remotely updates the DNS
record for share.gemmill.name to point to the correct IP every so often.
Not exactly simple, and there are a bunch of different moving parts here,
plus messing up your domain handling means no more website/email/etc until
it's fixed. It also relies on 1and1 actually allowing you to use your own
nameserver with your domain.
On Thu, 21 May 2015 at 11:43 Graeme Gemmill gra...@gemmill.name wrote:
Can someone give help/advice on the following problem relating to
dynamic IP addresses?
I have a PC on my LAN with Owncloud installed. (It's a fun product - it
solved a problem with sharing a calendar between 2 PCs immediately,
whereas I couldn't get DaviCal to work at all).
I have a domain, gemmill.name, and I have created a sub-domain,
share.gemmill.name.
I want family and friends to be able to type www.share.gemmill.name and
get access to Owncloud.
My router can do port-forwarding but my external IP address is dynamic.
I've heard about an organisation called NoIP.com. I can down-load a bit
of their software that monitors the current IP address the rouuter's
connected to. The problem is they want to associate it with one of their
domain names; the default is ggemmill.ddns.net and there are many
options, but gemmill.name doesn't figure among them!
So: is there a way to make ggemmill.ddns.net equivalent to
share.gemmill.name?
(I don't know if it's relevant, but the gemmill.name domain is managed
by 1and1.co.uk who also provide my IMAP mail service; the actual ISP
provider is talktalk. Perhaps the answer is to transfer management to
NoIP.com, but I'm happy with 1and1).
TIA
Graeme
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