Evilham via knot-dns-users <knot-dns-users@lists.nic.cz> wrote: > On ds., març 29 2025, Michael Grimm via knot-dns-users wrote:
>> given the case that a ip6/xy block might be delegated to me by my ISP, I >> began investigating Knot DNS' functionality with regard to ip6.arpa. The "might be" can be modified into "has been" delegated. Thus I am currently setting up my PTRs, and I have to learn the Knot way ;-) (10+ years ago I did this with bind) >> Hereby I stumbled over the module synthrecord and do not really understand >> what it is used for. >> >> From >> https://www.knot-dns.cz/docs/3.4/singlehtml/index.html#synthrecord-automatic-forward-reverse-records >> >> "Records are synthesized only if the query can't be satisfied from the zone." >> >> Please excuse my ignorance, but why would/should/must one return something >> else than the following for hosts not in the zone? > > those are PTR records and are essential for things like email (learndmarc.com > is a good resource that checks for this) Thanks, but my question was more about that: >> "Records are synthesized only if the query can't be satisfied from the zone." Why would/should/must one return something like (from the link above) … kdig -x 2620:0:b61::1 ... ;; QUESTION SECTION: ;; 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.6.b.0.0.0.0.0.0.2.6.2.ip6.arpa. IN PTR ;; ANSWER SECTION: 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.6.b.0.0.0.0.0.0.2.6.2.ip6.arpa. 400 IN PTR dynamic-2620-0-b61--1.test. … if "the query can't be satisfied from the zone." Thanks and regards, Michael --