alpine dig

a.txt

docker run --rm -it alpine sh -c 'apk add --update bind-tools; dig google.com.hk; dig @8.8.8.8 google.com.hk'
fetch http://dl-cdn.alpinelinux.org/alpine/v3.6/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.6/community/x86_64/APKINDEX.tar.gz
(1/4) Installing libgcc (6.3.0-r4)
(2/4) Installing libxml2 (2.9.4-r4)
(3/4) Installing bind-libs (9.11.1_p1-r1)
(4/4) Installing bind-tools (9.11.1_p1-r1)
Executing busybox-1.26.2-r5.trigger
OK: 9 MiB in 15 packages

; <<>> DiG 9.11.1-P1 <<>> google.com.hk
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 58586
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;google.com.hk.			IN	A

;; ANSWER SECTION:
google.com.hk.		187	IN	A	216.58.199.99

;; Query time: 7 msec
;; SERVER: 192.168.65.1#53(192.168.65.1)
;; WHEN: Tue Oct 24 08:53:38 UTC 2017
;; MSG SIZE  rcvd: 47


; <<>> DiG 9.11.1-P1 <<>> @8.8.8.8 google.com.hk
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 15175
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;google.com.hk.			IN	A

;; ANSWER SECTION:
google.com.hk.		299	IN	A	216.58.199.99

;; Query time: 20 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Tue Oct 24 08:53:38 UTC 2017
;; MSG SIZE  rcvd: 58