Doonesbury.com: denial of service attack?

I read Doonesbury on the web daily. For the past two days Doonesbury.com has returned:

www.doonesbury.com could not be found. Please check the name and try again.

It's Memorial Day weekend, and it's likely that Trudeau Inc will be commenting on the GOP's war.

Coincidence or a denial of service attack?

One way to defeat a DOS attack is to redistribute the "offending" material to multiple distributed servers. This turns the attack into a promotion. Media syndicates, of course, don't want to do this. It dilutes their IP ownership.

Maybe it's time they thought this over ...