yum install bind-utils
[root@iz2ze8loow3hbkxeskzsucz ~]# dig google.cn
; «» DiG 9.9.4-RedHat-9.9.4-72.el7 «» google.cn ;; global options: +cmd ;; Got answer: ;; -»HEADER«- opcode: QUERY, status: NOERROR, id: 47544 ;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;google.cn. IN A
;; ANSWER SECTION: google.cn. 300 IN A 203.208.41.55 google.cn. 300 IN A 203.208.41.63 google.cn. 300 IN A 203.208.41.47 google.cn. 300 IN A 203.208.41.56
;; Query time: 157 msec ;; SERVER: 100.100.2.136#53(100.100.2.136) ;; WHEN: Tue Dec 18 10:24:32 CST 2018 ;; MSG SIZE rcvd: 102