PowerShell for Windows Admins

Sep 18 2011   8:51AM GMT

DNS cmdlets in PowerShell 3

Richard Siddaway Richard Siddaway Profile: Richard Siddaway

There are a number of modules related to DNS

ModuleType Name
———- —-
Manifest DnsClient
Manifest DnsConfig
Binary DnsLookup
Manifest DnsNrpt

If we start with the DnsClient module we get these functions and cmdlets

Add-DnsClientNrptRule
Clear-DNSClientCache
Get-DNSClient
Get-DNSClientCache
Get-DnsClientEffectiveNrptPolicy
Get-DnsClientNrptGlobal
Get-DnsClientNrptRule
Get-DNSGlobalSettings
Get-DNSServerAddress
Remove-DnsClientNrptRule
Set-DNSClient
Set-DnsClientNrptGlobal
Set-DnsClientNrptRule
Set-DNSGlobalSettings
Resolve-DnsName

Knowing which DNS server the client is using

PS> Get-DNSServerAddress | select ElementName, Name

ElementName Name
———– —-
Virtual Wireless 192.168.2.1
isatap.{E962BF88-1194-44A8-B30B-A65A4772C812} 192.168.2.1
Virtual LAN 10.10.54.201
isatap.{EA0AB201-1381-4643-A67D-72C9C8860860} 10.10.54.201
Loopback Pseudo-Interface 1 fec0:0:0:ffff::1
Loopback Pseudo-Interface 1 fec0:0:0:ffff::2
Loopback Pseudo-Interface 1 fec0:0:0:ffff::3

and what the client has cached

Get-DNSClientCache | select Name, data

Name data
—- —-
server02 192.168.2.1
server02 10.10.54.201
server02 192.168.1.6
server02.manticore.org 192.168.2.1
server02.manticore.org 10.10.54.201
server02.manticore.org 192.168.1.6
watson.telemetry.microsoft.com

final one for the moment – is a replacement for nslookup

PS> Resolve-DnsName exch07

IP4Address : 10.10.54.130
Name : exch07.Manticore.org
Type : A
CharacterSet : Unicode
Section : Answer
DataLength : 4
TTL : 1200

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