Nice, invented business domain name which could be based on the Italian word "zanzero" (as in 'drinking companion').
The name "zanzeo" has only six characters and only two syllables. Two-syllable names are highly rare and very valuable. Successful brands using two syllable names include Visa, YouTube and Dropbox.
This domain was first registered in April 2010. Older domains have an advantage when ranking in search engines.