URI.parse('\052.example.com')
URI::InvalidURIError: bad URI(is not URI?): \052.example.com
	from /opt/local/lib/ruby/1.8/uri/common.rb:436:in `split'
	from /opt/local/lib/ruby/1.8/uri/common.rb:485:in `parse'
	from (irb):240
	from :0