Few days back my domain expired and i renewed it after 2 days. But i lost every keyword rank in google. Even on typing domain name in search box google is not showing it. Google has detected problem in sitemap and after that i have resubmitted the site map in google webmaster tool and now google has detected the sitemap. All this process took place in last 4 days from now(29.11.09). What's the reason for this? Now will google show same keyword rank? Please help me.....
Are your previous pages all indexed? Letting the domain expire was not the wisest thing to do, especially if you happen to rank for some decent keywords.