When characters are not recognized by html they make boxes.So that whois is all a bunch of jumble. Usually though you can find an email at the same name@same domain. this home site is http://www.hatena.ne.jp/ so you may find an email--- hatena@www.hatena.ne.jp That is if they ever read them. I block mine because of so much spam to those.

"The happiness of a man in this life does not consist in the absence but in the mastery of his passions."