You may consider these ways I assume your websites had indexed pages and link popularity in Google already. 1. Check your indexed pages by type site:domain.com in Google.com. If your pages have not been found - Likely Banned 2. Check your link popularity by type link:domain.com in Google.com. If your website has no single links toward - Likely Banned 3. Type your domain.com in Google.com. If your domain itself is not appear in first 2 pages / 20 results - Likely Banned
http://www.google.com/#hl=en&source...=f&aqi=&aql=&oq=&gs_rfai=&fp=cb84988dc54216a6 Change it to your site.
you don't do anything it' will re-crawl your site and re-index your website but you have try to do any more thing you will again banned so try to do your seo works
Installing seoquake add-on on your Firefox would be also helpful for this purpose. If you found the indexed page is 0 for your sites, they might have been banned. all the best,
yes iam sure: check out this link for proof: http://www.google.com/#hl=en&q=site...q=&aqi=&aql=&oq=&gs_rfai=&fp=146855c3d75b296f