wanjunlei [root@master116 ]# dig @192.168.249.7 www.baidu.com
; <<>> DiG 9.11.4-P2-RedHat-9.11.4-16.P2.el7 <<>> @192.168.249.7 www.baidu.com
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 56976
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;www.baidu.com. IN A
;; ANSWER SECTION:
www.baidu.com. 127 IN CNAME www.a.shifen.com.
www.a.shifen.com. 127 IN A 14.215.177.39
www.a.shifen.com. 127 IN A 14.215.177.38
;; Query time: 6 msec
;; SERVER: 192.168.249.7#53(192.168.249.7)
;; WHEN: Fri Sep 25 00:03:40 EDT 2020
;; MSG SIZE rcvd: 104