[dns-operations] validation problem on 1.1.1.1

[T.Suzuki]

Something strange...

% dig soa nasa.gov @1.1.1.1 +dnssec

; <<>> DiG 9.9.5 <<>> soa nasa.gov @1.1.1.1 +dnssec +ad
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 20334
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1

~% dig soa nasa.gov @1.1.1.1 +dnssec +noad

; <<>> DiG 9.9.5 <<>> soa nasa.gov @1.1.1.1 +dnssec +noad
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 5374
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1

~% drill -D soa nasa.gov @1.1.1.1 
;; ->>HEADER<<- opcode: QUERY, rcode: NOERROR, id: 27047
;; flags: qr rd ra ; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0 
;; QUESTION SECTION:
;; nasa.gov.	IN	SOA

~% drill -D -o AD soa nasa.gov @1.1.1.1
;; ->>HEADER<<- opcode: QUERY, rcode: NOERROR, id: 13840
;; flags: qr rd ra ad ; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0 
;; QUESTION SECTION:
;; nasa.gov.	IN	SOA

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T.Suzuki