[knot-dns-users] why is kdig different to dig?

Hi, I'm not sure if it was already discussed on this list. Why is BIND's dig getting a AD flag and kdig not? Obviously sends dig the AD flag by default, but why have you decided this way? dig +noall +comments @dotns1.aco.net univie.ac.at soa +qr ;; Sending: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 52963 ;; flags: rd ad; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ; COOKIE: d2171ad4016ceb3d ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 52963 ;; flags: qr rd ra ad; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 kdig +noall +header @dotns1.aco.net univie.ac.at soa +qr ;; ->>HEADER<<- opcode: QUERY; status: NOERROR; id: 25583 ;; Flags: rd; QUERY: 1; ANSWER: 0; AUTHORITY: 0; ADDITIONAL: 0 ;; ->>HEADER<<- opcode: QUERY; status: NOERROR; id: 25583 ;; Flags: qr rd ra; QUERY: 1; ANSWER: 1; AUTHORITY: 0; ADDITIONAL: 0 cheers, -arsen