dig命令與nslookup命令

dig命令

• 作用是檢視域名解析記錄

[root@localhost ~]# dig admin.asiatop.net

; <<>> DiG 9.11.4-P2-RedHat-9.11.4-26.P2.el7_9.3 <<>> admin.asiatop.net
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 25705
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;admin.asiatop.net.		IN	A

;; ANSWER SECTION:
admin.asiatop.net.	600	IN	A	121.14.17.111  # 可以看到解析為A指向121.14.17.111

;; Query time: 39 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: 一 2月 22 17:05:07 CST 2021
;; MSG SIZE  rcvd: 51
 

nslookup命令

• 解析域名的命令

# 在windows系統下解析
C:\Users\123>nslookup admin.asiatop.net  # 解析域名
伺服器:  ns5.gd.cnmobile.net
Address:  211.136.192.6

非權威應答:
名稱:    admin.asiatop.net
Address:  121.14.17.111      # 解析到的IP

# 在linux系統下解析
[root@localhost ~]# nslookup admin.asiatop.net  # 解析域名
Server:		223.5.5.5
Address:	223.5.5.5#53

Non-authoritative answer:
Name:	admin.asiatop.net
Address: 121.14.17.111     # 解析到的IP