web 2.0 does not index

Really need help as to how to check if Web 2.0 is indexed or Not ! Good Signs: 1) When I use tools like indexing checker etc online It says they the Web 2.0's are Indexed. 2) Web 2.0's have decent DA and PA Bad Signs. 1) Let alone pasting a paragraph from the web2.0 into google search.. it...