小编Em *_*dih的帖子

在一台有 IP 的机器上192.168.100.6，我可以运行一个 docker 容器并在容器内没有问题地执行 dns：

$ docker run --rm -it xenial-networking bash

root@255c2ffc38cb:/# dig registry.mynet

; <<>> DiG 9.10.3-P4-Ubuntu <<>> registry.mynet
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1540
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;registry.mynet.              IN      A

;; ANSWER SECTION:
registry.mynet.       0       IN      A       192.168.100.16

;; Query time: …