Not bad at all.
I like yours the most, but there needs yo be some more definition between the head and the tail. As it stands the tail looks like a growth out of the head. Your design is the best, especially with the font type. Just a little touchup with shading and lines with the tail and it will be perfect..
"Sometimes when I close my eyes, I can't see."
If you want the .com in there it can easily be done.
2 more variants: