reindex

Hello, What is the best way to get a domain reindexed to Google without sending a sitemap? I am trying putting link on facebook and twitter is that good? What you can recommend me to do it. Thanks! PS: Remember I am reindeixing an expired domain that was deleted from Google index by...

Hello, I just bought an expire domain about a 2 weeks ago, the problem is that the domain was unindexed from Google and I been trying re indexed this domain to google but it seems impossible, I tried to do the Google Webmaster tools and upload sitemap, tried to ping google from this site...

today i got de-indexed my two blogs from google. completely. not a single page is indexed there. one is a blogspot blog, and second my own domain. so what to do next? any idea how can i re-index my blogs?