Is My Domain Expired ? Content on the site was changed.
If content of your web site was changed and now on your site (on all pages) only some advertisment.
Then maybe your domain is expired and was pointed to parking advertisment page of the domain registrar.
How to check is it really expired?
If your domain was registered by us, then please login to your billing account,
you will see expiration date for all domains and services,
To renew domain please login to your account:
Go to the Domains->Renew Domains section
Add to cart domain you want to renew.
Domain will be reactivated in few hours after the payment.
If domain was registered not by us, then go to any whois service like http://www.easywhois.com
enter your domain name and click button.
You will see whois output for your domain and "Expiration date".
If your Web Hosting Account is Suspended (you see such message when you go to your domain),
then please read this article.