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Map offsite SubDomain to MU subdomain on our Server (using Plugin)

Elite

Hi -

Thanks for a great service and plugin. We want to map an offsite subdomain to an MU subdomain on our server. We have installed the Domain Mapping plugin.

We want this to happen: blog.OFFSITEDOMAIN.com ::: maps to :::> subdomain.OURDOMAIN.com

I want to verify the correct steps here, then I have a couple of questions:

1. Set up a subdomain using the Control Panel (ie. blog.YOURDOMAIN.com) of the OFFSITE Domain.

2. Add a CNAME for the subdomain you create (ie. blog.YOURDOMAIN.com), using the control panel of the OFFSITE domain, and point it to the blog URL on our domain.

3. Add a DNS "A"record pointing at the IP address of our server using the control panel of the OFFSITE domain.

4. In the Domain Mapping field for the blog on our server, enter the offsite subdomain in the appropriate field.

* Is this the correct process?
* I read some other threads here about problems and am aware that hosting controls vary from host to host -- what should we be on the lookout to avoid in this process?
* Any other best recommendations to facilitate this process?

Thanks!

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Help & Support from WPMU DEV members and staff

Erstwhile founder

Hiya,

Are you wanted to map the domain (blog.OFFSITEDOMAIN.com) to a WPMU blog or an entire WPMU site? It's not clear from your post because you describe it as a "MU subdomain".

Thanks,
Andrew

Elite

Hi Andrew -

To a WPMU blog. Thanks for your help. I meant that the blog would have a subdomain as its URL.

- Scott

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Erstwhile founder

Hiya,

So your WPMU site is at OURDOMAIN.com? Is it a subdomain or directory install?

Thanks,
Andrew

Elite

Hello Andrew -

The domain names were just used for example purposes.

We have a TLD -- SocialTract.com -- that points to our main MU site. Then all other sites are set up using subdirectories of that domain. The specific example of what we want to do, using your plugin is:

MAP blog.OFFSITEDOMAIN.com :::::::::: to :::::::::::> subdomain.SocialTract.com

We understand that we would enter "blog.OFFSITEDOMAIN.com" (where each off site domain would be different... for different clients) in your plugin field for the specific subdomain on our system. What we need to verify, is that the steps the customer must take with their own hosting/registrar company are correct as listed above to map a subdomain from their external site to a subdomain on our MU system.

Thanks -
Scott

Staff

I think you need to add a CNAME record on OFFSITEDOMAIN.com's dns that points to SocialTract.com. Then map subdomain.SocialTract.com in the settings page to blog.OFFSITEDOMAIN.com.

Elite

Hi Aaron -

Thanks for the reply. I would like to get one of the actual developers of this plugin to approve/correct the process, and/or others who have done it.

The plugin comes with no specific steps detailed to do it. No one here, except you, have given instructions. You mention the CNAME, and the plugin page also mentions A Records. Other threads here detail a list of problems with the process.

So... once again, please -- will someone who has developed the plugin, or used it extensively please check the steps ahead and verify or suggest a revision to them to enable an external subdomain to be successfully mapped to a MU subdomain on our server.

- Scott

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from WordPress Experts

Erstwhile founder

Hiya,

Basically you need to point the external domain at your server via a CNAME or A record (either will do).

Thanks,
Andrew

Elite

Hi Andrew -

Did you mean at the TLD, or the subdomain for the blog on our MU installation?

We did have the offsite CNAME set to go to the MU subdomain and it is not working -- we get a 404 error page when going to that url. Further, we get a 404 error page when we enter the offsite subdomain in the plugin field for it to map to the subdomain on our site, then go to the subdomain on our site.

This is why I am repeatedly asking for a set of steps that we know works.... like this:

If we want the offsite subdomain "blog.CLIENTURL.com" to correctly map to a blog with a subdomain on our site at SocialTract.com, as in "ConditionedAir.SocialTract.com", we need to follow these steps:

1. What to set under Site Admin., "Blogs" for "Domain Name"?

2. What to set under Site Admin., "Blogs" for "Siteurl"?

3. Enter the clients subdomain in the Domain Mapping field (Under Tools:Domain Mapping) for that blog so it looks like this:
Custom Domain Original Blog Address
http://blog.conditionedair.com/ http://conditionedair.socialtract.com/

4. In the offsite clients control panel for DNS settings, set up a CNAME, or A Record and point it to:
a) The subdomain for the blog on our system: http://conditionedair.socialtract.com ?
b) The TLD for our system: http://socialtract.com ?

5. Any trailing slash, or "www" issues to be concerned with?

6. Any problems with CNAMES, or A Records the external client should monitor?

I thank you in advance for the actual steps in the correct sequence that you know from experience will work. I have looked at the plugin page and every other thread on the subject here, and no such thread is given that I can find.

- Scott

Erstwhile founder

If we want the offsite subdomain "blog.CLIENTURL.com" to correctly map to a blog with a subdomain on our site at SocialTract.com, as in "ConditionedAir.SocialTract.com", we need to follow these steps

You need to point the external domain (blog.CLIENTURL.com) at your server (where WPMU is hosted) either via a CNAME or an A record.

Since you're on shared hosting you will also need to park the external domain to your hosting account. The domain needs to be parked so that the www directory is the same one where WPMU is installed.

1. What to set under Site Admin., "Blogs" for "Domain Name"?

2. What to set under Site Admin., "Blogs" for "Siteurl"?

You shouldn't be touching those settings to map a domain.

Note that we cannot give you step-by-step instructions because the procedure varies greatly among hosts due to admin panel differences and limitations. For example, it's much easier to map domains to a WPMU site using a dedicated IP than those without a dedicated IP.

Thanks,
Andrew

Elite

Thanks Andrew

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