Some blog owners are confused about how domain ownership verification works - or should work. The domain ownership verification process involves two challenges. Both accessing the registrars zone editor, and parsing the displayed content, is a challenge - for anybody but the domain owner. Or sometimes, including the domain owner. Blogger uses an intriguing technique, to verify that the blog owner, submitting a blog for domain publishing, is also the domain owner. They give the blog owner a token to add, to the domain - then verify that the token was added, before publishing the blog to the domain.
What Blogger won't tell you