The "hack" is fake.
Unproven but likely. The "defaced" page was posted through their CMS (WordPress), which is rather atypical for defaced domains. The writer's promise to only take the domain down for 24 hours is also quite unusual.
What seems most likely to me is that this was used as an excuse to take down their content until their domain was transferred away from GoDaddy.
CloudFlare doesn't provide hosting, it's a reverse proxy. But, if you believe http://www.crimeflare.com/cfs.html, the actual web server sitting behind dailystormer.com is hosted by online.net, of France.
France, hey? I've actually heard France is competitive with US when it comes to internet and free speech. Do you think that's true? I wonder which country most protects speech on the internet?
(Related to the law you mentioned, in Germany they also have laws that are reactions to WWII, and they arrested some Chinese tourists for making Nazi salutes for tourist photos outside a government building last week.)
Treason is only possible if a country is at war (ie has an "enemy"). The speech would be protected as it is now (that wouldn't be the crime they break), but they could be found guilty of committing treason by the same (speech in this case) act.
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(CNN)The Daily Stormer, a white supremacist and neo-Nazi website, needs to find another domain name provider after GoDaddy gave it the boot following a derogatory story about the woman killed at the Charlottesville, Virginia, rally.
The site, which calls itself "The World's Most Genocidal Republican Website," registered its name with GoDaddy -- but GoDaddy doesn't host the Daily Stormer's content.
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(Guardian)A message purportedly posted by hackers has appeared on the Daily Stormer, a neo-Nazi website, saying the site has been taken over in response to an article criticising a woman who died during violence at far-right rally in Virginia over the weekend.
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What I'm curious about is Google. Are they providing hosting and domain serving for anybody (even unpopular speech)? Where does content go when companies refuse to work with publishers?