Mac OS X in a Nutshell

Name

dnsquery

Synopsis

dnsquery [options] host
                  

Queries Internet domain name servers. A simpler alternative to nslookup, dnsquery displays information about host as returned by the default or a specified name server.

Options

-n nameserver

Query server namerserver instead of the default name server specified in /etc/resolve.conf.

-t type

Change type of information returned from a query to one of the following:

A

Host’s Internet address

AFSDB

DCE or AFS server

ANY

Any available information (default)

CNAME

Canonical name for an alias

HINFO

Host CPU and operating system type

MG

Mail group member

MINFO

Mailbox or mail list information

MX

Mail exchanger

NS

Nameserver for the named zone

PTR

Hostname or pointer to other information

RP

Responsible person

SOA

Domain start-of-authority

WKS

Supported well-known services

-c class

Set query class to IN (Internet), CHAOS, HESIOD, or ANY. Default is IN.

-r number

Set number of retries to number.

-p period

Set seconds to wait before retries to period.

-d

Turn on debugging mode.

-s, -v

Connect with the name server using a TCP stream rather than a UDP datagram, the default.