As far as I know CF doesn't do failover DNS so you could use a setup with CF like this:

How exactly does Cloudflare use an anycast DNS? If I ping or do a NS lookup for igor.ns.cloudflare.com I keep getting back the same IP. Or am I doing it wrong?

For example, you can have if uptimerobot detects your site is down to switch the dns to another IP

They don't do it automatically but if you can export zone file from your current dns management then you can import that using http://help.dnsmadeeasy.com/domain/import-records-from-a-zone-file/

http://www.lowendtalk.com/wiki/free-dns-providers

http://www.dnsreviews.com/hosteddns/dns-made-easy_reviews/

Or setup your server with cloudflare. Use there DNS. cache the site via cloudflare if you like.

http://www.dnsreviews.com/hosteddns/dns-made-easy_reviews/

Cheap or Free DNS Hosting Options

I would recommend getting 2 or 3 (1 master dns server and 1 to 2 slave) low end VPS in different data centers with 512MB memory each and using PowerDNS for the dns software and PowerAdmin to adminis

If your prepared to pay a bit then I can highly recommend http://www.dnsmadeeasy.com and I'm sure others here can vouch for the service. We're using there DNS Failover and have had no issues to date

A friend of mine has his email hosted elsewhere (Hosted Exchange) but his DNS and Website are hosted on the same server. Lately there was an outage of his webserver, and you as you by now already woul

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So some sort of DNS cluster is a possibility, a shared hosting account with a bit of space and mailboxes would be easy and a monitoring solution as well as some backup space offsite.

Offering a DNS cluster would definitely be useful I think (from my point of view access to a cPanel DNS cluster would be something I would value highly), and of course backup space is good!

Inception Hosting should offer these lamps, instead of useless MySQL offloading, offsite backup, DNS, etc.

Free downtime page fallover (with hosted DNS). Let the user define some kind of 'outage' HTML page that will be hosted on an entirely different server (a VPS, even), and whenever their VPS goes down,

@jcaleb sorry I do not mean other types of service, I mean extra things that you get for free with a VPS, like backup space, DNS services etc.

DNS services (never looked in to it too much)

- the VM is unmanaged, the customer is responsible for all aspects of managing their VM server, including patching, installing and maintaining applications, firewalling and DNS.