You wouldn't hire the guy because he doesn't have his own domain name? That seems somewhat harsh. I agree it comes across as more professional when you do have

You wouldn't hire the guy because he doesn't have his own domain name? That seems somewhat harsh. I agree it comes across as more professional when you do have your own domain name, but with 10 years experience I imagine it's not that he doesn't know how to do it. It's probably just not a priority for him.