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Chapter 6 Setting Network Preferences 69
Viewing or Changing DNS Servers
You can use the serversetup tool to view and modify the Domain Name Server (DNS)
settings.
To view the DNS servers for port en0:
$ serversetup -getDefaultDNSServer (
devicename
|"
portname
")
To change the DNS servers for port en0:
$ sudo serversetup -setDefaultDNSServer (
devicename
|"
portname
")
server1
[
server2
] [...]
To view the DNS servers for a particular port or device:
$ serversetup -getDNSServer (
devicename
|"
portname
")
To change the DNS servers for a particular port or device:
$ sudo serversetup -setDNSServer (
devicename
|"
portname
")
server1
[
server2
]
[...]
To list the DNS servers for a configuration:
$ sudo networksetup -getdnsservers "
configuration
"
To view the DNS search domains for port en0:
$ serversetup -getDefaultDNSDomain (
devicename
|"
portname
")
To change the DNS search domains for port en0:
$ sudo serversetup -setDefaultDNSDomain (
devicename
|"
portname
")
domain1
[
domain2
] [...]
To view the DNS search domains for a particular port or device:
$ serversetup -getDNSDomain (
devicename
|"
portname
")
To change the DNS search domains for a particular port or device:
$ sudo serversetup -setDNSDomain (
devicename
|"
portname
")
domain1
[
domain2
]
[...]
To list the DNS search domains for a configuration:
$ sudo networksetup -getsearchdomains "
configuration
"
To set the DNS servers for a configuration:
$ sudo networksetup -setdnsservers "
configuration
"
dns1
[
dns2
] [...]
To set the search domains for a configuration:
$ sudo networksetup -setsearchdomains "
configuration
"
domain1
[
domain2
]
[...]
To validate a DNS server:
$ serversetup -verifyDNSServer
server1
[
server2
] [...]
To validate DNS search domains:
$ serversetup -verifyDNSDomain
domain1
[
domain2
] [...]