[dns-operations] Link-local IP addresses for a resolver?

[John Levine]

In article <alpine.DEB.2.20.1909242008320.23255 at grey.csi.cam.ac.uk> you write:
>Florian Weimer <fw at deneb.enyo.de> wrote:
>>
>> We added scope ID support to /etc/resolv.conf in upstream glibc a
>> couple of years ago, in 2008.  I can easily see that others may not
>> have done this, so I agree that there could be problems.
>
>I did a bit of a survey in 2014 and found that prominent DNS
>libraries didn't support link-local addresses back then
>http://lists.cluenet.de/pipermail/ipv6-ops/2014-July/010035.html
>Maybe it's better now :-)

How are they with RFC 4193 ULAs?  I've been using a cache at a ULA on
my two-segment home network and it seems to work fine.

(And why would you use link local rather than ULA for your DNS resolver, anyway?)