How to solve "Another blog is already hosted at this address"

Sometime when you try to publish a custom domain like ipcnetworking.com on Blogger, you may get the message "Another blog is already hosted at this address."

Most of the time, this is due to your DNS setting. Anyway make sure that you stop the web service of Google Apps if you happen to use this service.

One way to overcome this problem which I did with my sites was to configure my DNS as:

mydomain.com.          3600 IN CNAME ghs.google.com.
www.mydomain.com. 3600 IN CNAME ghs.google.com.

With this configuration, you have a "CNAME" referral which points directly to a Google server. When the Blogger script verifies that the domain URLs both point to Google, it can proceed with confidence.

After modifying this configuration in your DNS, try to publish back your site to blogspot.com domain, and then republish to your own domain name. This should ensure a clean repair of the problem.