Server Change Sunday - Rankings Loss Tuesday

[flanok]

OK I know what is going on with Caffiene and it could be related to that, but I want some advice just to make sure.

I changed server on Sunday with no downtime. The URL remained on its server, but the pyesical site did move. Depending on what time you looked at my site through what IP, decided what server you were looking at, until eventually yesterday morning the migration was complete.

Other websites that moved server also, have been ok.

However this moring a huge drop in rankings across many key terms, from 1st page to non existent (or at least below page 25)

So I am clutching straws in the hope, this is not a penalty (or caffiene) but is related to a server change and what to check for, to confirm this.
I did read somewhere about checking DNS issues, don't know how to so this, or what to look for.

This site looks and works fine.

Can you help?

[tedster]

Here's a thread that can help - it's about DNS cache poisoning, and I'm not saying that this is your problem. But the discussion offers some tips on checking your DNS altogether.

[webmasterworld.com...]

[levo]

Is the old IP still active? A couple years ago I moved twice, and both times Googlebot for Google News kept hitting the old IP for days. I tried shutting down the old server and it forced a lookup/refresh (or was just a coincidence twice..)

If possible, check the old server, if googlebot is making requests. Also did you redirect the new ip to domain name.

[travelin cat]

Try checking to see if all of the DNS servers are pointing to the new location. There are tools out there that will look up where the top DNS servers are pointing to.