phranque - 10:31 pm on Jun 19, 2012 (gmt 0)
is your server returning that content?
e.g. is it your IP address?
i typically use xenu and/or screaming frog to crawl sites.
re: unexpected urls in the index -
are you excluding any urls from being crawled in robots.txt?
e.g. what does [forum.example.com...] say?