See here http://search.live.com/results.aspx?q=www.google.com&mkt=en-in&scope=&FORM=LIVSOP&adlt_set=strict They are indexing Google.com with different ports like www.google.com:21 See http://search.yahoo.com/search?p=www.google.com&fr=yfp-t-501&toggle=1&cop=mss&ei=UTF-8&fp_ip=IN&vc= Why MSN is trying to index Google.com with different ports, as these ports are mainly used for other purposes and not for indexing?
I feel it is google mirror servers. don't have any idea about ports. i don't think it is posts. Normally http is posrt 80.