On Tuesday, Aug 11, 2026 at 9:59 AM, Ondřej Caletka <Ondrej.Caletka@ripe.net> wrote:

On 10/08/2026 14:59, Richter, Robert via dns-wg wrote:

Hello everybody!
We built the tool “DNS Resolver Recommender”:

*
https://dns.diic-hpi.org <https://dns.diic-hpi.org>

Hello Robert,

is this tool really just IPv4-only?

Not only that there is no AAAA for this domain name:

$ host dns.diic-hpi.org
dns.diic-hpi.org has address 46.225.184.21
dns.diic-hpi.org has HTTP service bindings 1 . alpn="h3,h2"

But also in the results, I only see IPv4 addresses even for services
very well known to support IPv6 like Cloudflare DNS:

Cloudflare 1.1.1.1 public resolver. Global anycast, non-filtering.
Operated by Cloudflare. Service page:
https://developers.cloudflare.com/1.1.1.1/

DoH URL
https://dns.cloudflare.com/dns-query

System IP
1.0.0.1

Country
Global

--
Ondřej
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