Your robots.txt as they are now cannot be a problem. From what you claimed above, or you have broken links or your server was not available.

Another post possible problem can be your DNS errors: DNS Stuff: DNS tools, DNS hosting tests, WHOIS, traceroute, ping, and other network and domain name tools.
You better check that out with your provider as soon as possible.

When all issues above are clarified and solved, then create an XML site map and submit it to Google.

I just checked and you are not banned from Google.

Good luck patrida! I am half Greek. LOL

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