dig host nslookup ping   whois



ping codefun007.xyz

PING codefun007.xyz (118.126.113.155): 56 data bytes
64 bytes from 118.126.113.155: icmp_seq=0 ttl=51 time=46.513 ms
64 bytes from 118.126.113.155: icmp_seq=1 ttl=51 time=53.474 ms
64 bytes from 118.126.113.155: icmp_seq=2 ttl=51 time=46.529 ms

dig codefun007.xyz

;; ANSWER SECTION:
codefun007.xyz.		198	IN	A	118.126.113.155


dig +trace codefun007.xyz

dig +short  codefun007.xyz
118.126.113.155

dig codefun007.xyz +short -t A
118.126.113.155
dig codefun007.xyz +short -t CNAME

-t 指定记录类型

CNAME A MX NS 分别表示CNAME A记录 MX记录 DNS服务器 默认是A

MX(Mail Exchanger)  邮件交换记录 邮件路由记录
 

nslookup codefun007.xyz

Non-authoritative answer:
Name:	codefun007.xyz
Address: 118.126.113.155

host codefun007.xyz
codefun007.xyz has address 118.126.113.155

host  -a  codefun007.xyz


一个域名可以有两种类型的指向
A记录  指向一个IP地址
CNAME 指向一个其他的域名


whois codefun007.xyz

whois   gtimg.cn