Many Facebook users in the U.S. are apparently having a hard time getting onto the social online grid.

Facebook has hadoutageshere and there over the last few years.

In December, the social networksuffered a DNS issuethat caused some people temporarily being unable to reach the site.

It’s unclear what exactly is causing the outage now.

We resolved the issue quickly, and the fix should be fully propagated now.

We apologize for any inconvenience."