There have been multiple occasions where people came up to me and asked “OMG ! Google just banned my site but all the SEO factors are followed according to the guidelines, 301′s are in place, no bad link exchanges were made, Robots.txt is set correctly, Analytics shows no warnings and webmaster tools also shows no error messages”.
Did you check your Server, IP status, huh IP stats ? In an effort to get ranked higher in Google we follow all the set guidelines but often tend to ignore the fact that even the IP and the server plays a major role in getting our site to the top. Here are few Hosting and Server issues that you need to consider to prevent a ban or penalty from Google search: