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Domain Question

post #1 of 8
Thread Starter 
I currently own a domain and was wondering if there is a way to make a subdomain point to my home IP (whereas my main domain points to my web host). Is that possible to do?
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post #2 of 8
Yes.

Assuming you don't have a static IP (otherwise you'd have set up your domain like normal anyway), you need to create a dynamic DNS (such as dyndns.com). Then point your home.domain.com subdomain to the dyndns domain name using a cname record.

Just to add: I actually do this myself smile.gif
Edited by Plan9 - 5/1/12 at 5:12pm
post #3 of 8
Thread Starter 
Thanks! I actually just found that out.

I set my home.domain.com to a cname to my no-ip account address.
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post #4 of 8
Quote:
Originally Posted by IEATFISH View Post

Thanks! I actually just found that out.
I set my home.domain.com to a cname to my no-ip account address.

Cool smile.gif

It's a surprisingly simple solution to what -on paper- sounds like it should be difficult.
post #5 of 8
You can add any A records to define subdomains.
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post #6 of 8
Quote:
Originally Posted by beers View Post

You can add any A records to define subdomains.

A records are for IPs. He doesn't have a static IP so he needs to use a cname instead.
post #7 of 8
Good call for this particular situation.
That will teach me to casually browse at work tongue.gif

More of a 'heres some additional info which may be irrelevant to this situation, by the way'

You could argue that the CNAME ultimately arrives at the A record of the no-ip address wink.gif
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post #8 of 8
Quote:
Originally Posted by beers View Post

Good call for this particular situation.
That will teach me to casually browse at work tongue.gif
More of a 'heres some additional info which may be irrelevant to this situation, by the way'
You could argue that the CNAME ultimately arrives at the A record of the no-ip address wink.gif
You could, but that would be a little misleading as the cname doesn't arrive at anything. It would be you domain lookup client that would read the cname, then generate new lookup requests to obtain the IP - if you want to be strictly pedantic tongue.gif

But yeah, ultimately your traffic will arrive at the same destination - it will just take a few more lookups (potentially up to 3 more). It's just a pity that most registrar don't support API updates to cut out the middle man (ie run dyndns via them).

I supposed it wouldn't take a huge amount of work to create your own dynamic dns service on your own server (eg you have a data centre box with domain.com and a home server with home.domain.com. if you set your domain server to be the data centre box rather than the data centre box using your registrars dns servers then write an API for your home server to update your data centre box ever hour). I hope you follow what I mean here because I don't think I've explained it very well.
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