When you see this error, maybe some basic troubleshooting demographics would be useful.
- Where are you located? Country, city, ISP may all be relevant here.
- Did you use the "Advanced Settings" wizard, or the "Buy A Domain For Your Blog" wizard, when setting up your custom domain?
- What is the BlogSpot, and custom domain, URL that you are using?
>> (Note 3/5 11:30)>: Blogger Employee declares this problem is fixed.
We have fixed the custom domain problem that many of you have been having.