On 20/10/2022 12:55, qutic development via Pdns-users wrote: > In the domains-table there is a record with name "0.0.0.0.0.8.b.d.1.0.0.2.ip6.arpa." That's wrong. It should be 0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa - that is, the original address is really 2001:0db8::/48 (when you write out all 4 hex digits, and don't omit the leading zero)