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My dedicated server (which never goes down unless I am tweaking it) - went down last night. They didn't say what caused it - only that apache failed.
What is strange now that I think about it is that the server itself will send me an email when apache fails - I got no such email. Instead, I got a personal notification from my host (which I have never gotten before).
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How can you receive an email from your hosting service that Apache failed, when you have scipts in place to send you email if apache is down ?
I wonder if you looked in your apache logfiles to see what happened, I'm very curious.
I didn't notice anything, I checked some of these sites Fridaymorning 26th, around 10:00 AM GMT+1, which somehow corresponds to your time of notice.
So I missed this time window ? Or did we in Europe not suffer from this ?
Looking technically at the postings, the first thing which comes in mind is a DNS root server failure. But a selective failure makes it a 'selective' filter.
It is technically easier to do selective filtering in the DNS system than block IP level access to selective hosts, for this you will need to control a lot of routers on the Internet. But not impossible.
I urge you guys who have access to their apache logs to look into the logfiles for some clues. It should be very easy to acknowledge because if what happened is true, you should notice -no traffic- around these hours to your servers. If you do notice traffic, look for the source IP addresses and check if they come from the United States or elsewhere.
That should give you enough info to at least confirm anything what happened. I cannot find other info about this 'incident' on other websites (yet).
Check your Apachelogs ! Can the ProjectAvalon webmasters check their logs please ? If need help analyzing, drop me a PM, and I take a 'technical' look.