xiaochu

I have been working on several sites and suddenly found one of them has dropped out of SERPS for even the key words of the domain name. Google shows pages in the site command and some links in the link command, so I am thinking the site is not banned. BUT:I suddently lose all SERPS positioningMy web stats show increased actvity of iwebtools checking to see if my site is banned - I have only done this twice, stats shows the check has been run 10 times from iwebtools ... someone else running this check?So, maybe I am paranoid, but the real question is...."Can someone take any action that will damage your site's SERPs ranking?"Thanks