Re How to keep your ISP's nose out of your browser history with encrypted DNS

["Dave Farber" <farber () gmail com>]

Begin forwarded message:

> From: Christian Huitema <huitema () huitema net>
> Date: April 10, 2018 at 11:47:48 PM EDT
> To: dave () farber net, ip <ip () listbox com>
> Subject: Re: [IP] Re How to keep your ISP's nose out of your browser history with encrypted DNS
>
> In a recent mail forwarded to IP, Brett Glass wrote:
>
>
> > > The entire premise of this article is, sadly, incorrect -- and
> > > appears intended to promote a service via fearmongering.
> > >
> > > Using a different DNS server does not affect corporations' ability to
> > > snoop on one's browser history, since anyone who can see the source
> > > and destination IP addresses of a packet can perform reverse DNS on
> > > those addresses on its own.
>
> Actually, at least 60% of DNS lookups result in a CNAME record, and that
> fraction is growing. Instead of pointing directly to the named service,
> the CNAME is an alias. When you look them up, you find that they are
> pointing to content distribution networks like Akamai, Cloudflare and
> others, or to the "edge" points of big providers like Google, Facebook
> and others. A reverse lookup of the IP address will reveal for example
> that the destination is an Akamai service point, but it will not reveal
> which site the user is going to, since there are very many sites served
> by these CDN networks.
>
> Using encrypted DNS services like Cloudflare's 1.1.1.1 does hide a lot
> of information from the ISP.
>
> -- Christian Huitema
>
>
>
>
>
> -- 
> This message was sent to the list address and trashed, but can be found online.
> at https://www.listbox.com/login/messages/view/20180410234804:21F86B4A-3D3B-11E8-B9A6-CC26BBF2EAA0



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