You may check how your domain is defined by Google , is it marked as Adult , Non-Adult or Blocked. So you may find information on what type of Ads will be displayed under your domain if you park it with Google. Need Bulk checking? Send me an e-mail.

Blocked Status - no ads will be displayed Adult Status- adult related ads or no ads will be displayed Non-Adult - domain is not listed as Adult or Blocked, ads will be displayed You might need to recheck information from time to time and if you find Blocked or miss-listed domain you have to contact Google regarding this issue.