NSLookup tool usage record

Query IP addresses

The simplest use of NSLookup is to query the IP address corresponding to the domain name, including the record and cname record. If a cname record is found, the setting of the alias record is returned. Its usage is:

NSLookup Domain Name

The command format for specifying the query record type is as follows:

NSLookup-Qt = Type Target Domain Name

Note that QT must be in lower case.
It can be of the following character type, not case sensitive:
A Address Record (IPv4)
Aaaa Address Record (IPv6)
Afsdb Andrew File System database server records (not understood)
Atma ATM address record (not an ATM)
Cname alias record
HINFO hardware configuration records, including CPU and operating system information
The ISDN number corresponding to the ISDN Domain Name
MB Storage server of the specified mailbox
MG contact list record
Information record of minfo contact groups and mailboxes
Email record for Mr renaming
MX Mail Server record
NS name server record
PTR Reverse Record (interpreting domain names from IP addresses)
RP owner record
RT route penetration record (not understood)
Srv tcp server information record (useful)
Text information corresponding to the TXT Domain Name
X.25 address records for x25 domain names

Reference: http://arch.pconline.com.cn//pcedu/soft/wl/assist/10307/193330.html

NSLookup tool usage record