nslookup交互模式

nslookup
> server 8.8.8.8
Default server: 8.8.8.8
Address: 8.8.8.8#53
> set type=ns
> coder4.com
Server:		8.8.8.8
Address:	8.8.8.8#53

Non-authoritative answer:
coder4.com	nameserver = dns8.hichina.com.
coder4.com	nameserver = dns7.hichina.com.

Authoritative answers can be found from:
> set type=a
> coder4.com
Server:		8.8.8.8
Address:	8.8.8.8#53

Non-authoritative answer:
Name:	coder4.com
Address: 103.79.77.127
> set type=cname
> coder4.com
Server:		8.8.8.8
Address:	8.8.8.8#53

Non-authoritative answer:
*** Can't find coder4.com: No answer

Authoritative answers can be found from:
coder4.com
  origin = dns7.hichina.com
  mail addr = hostmaster.hichina.com
  serial = 2021090218
  refresh = 3600
  retry = 1200
  expire = 86400
  minimum = 600
> set type=mx
> coder4.com
Server:		8.8.8.8
Address:	8.8.8.8#53

Non-authoritative answer:
coder4.com	mail exchanger = 10 mxbiz2.qq.com.
coder4.com	mail exchanger = 5 mxbiz1.qq.com.

Authoritative answers can be found from:

查看其他信息(一般权限给的少，不会给太多信息)

dig coder4.com any