It appears that Bryan Fields <Bryan@bryanfields.net> said:
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>On 10/27/23 7:49 AM, John Levine wrote:
>> But for obvious good reasons,
>> the vast majority of their customers don't
>
>I'd argue that as a service provider deliberately messing with DNS is an
>obvious bad thing.  They're there to deliver packets.

For a network feeding a data center, sure. For a network like
Charter's which is feeding unsophisticated nontechnical users, they
need all the messing they can get.

If you're one of the small minority of retail users that knows enough
about the technology to pick your own resolver, go ahead.  But it's
a reasonable default to keep malware out of Grandma's iPad.

R's,
John