PowerShell for DNS
I’ve blogged on a number of occasions on how to use the DNS WMI provider. Life just got easier with the release of DnsShell. Its a PowerShell 2.0 module containing cmdlets for working with DNS....
View ArticlePowerShell UG Meeting: DNS
When: Tuesday, Jun 29, 2010 7:30 PM (BST)Where: Live Meeting webcast *~*~*~*~*~*~*~*~*~* Meeting will cover DNS, DNS best practice analyser, DNS WMI provider and DNSShell cmdlets from codeplex Notes...
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PowerShell UG – June meeting slides and recording
Thanks to everyone how joined the Live Meeting this evening – especially for the questions The slides and demo script are available for download from:...
View ArticleScripting Guy Blog
The Scripting Guys are having a guest blogger week and first up is me blogging about managing DNS with PowerShell and WMI...
View ArticleWMI and Network Adapters: 5
Does a machine have problems communicating on the network? Then one troubleshooting step is to check the DNS servers it is using 001 002 003 004 Get-WmiObject -Class Win32_NetworkAdapterConfiguration...
View ArticleDNS cmdlets in PowerShell 3
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...
View ArticleGet Global Catalog from DNS
One option for finding global catalog servers is often overlooked – DNS. In an AD environment DNS stores the SRV records that advertise the services domain controllers can deliver $dnsserver = "dc02"...
View ArticleFinding the primary name of a DNS alias record
A forum question asked how to find the primary name from an alias or CNAME record. Get-WmiObject -Namespace 'root\MicrosoftDNS' -Class MicrosoftDNS_CNAMEType ` -Filter "ContainerName = 'Manticore.org'"...
View ArticleDnsClient module: #1 Get-DnsClientServerAddress
Started to investigate the DnsClient module. First cmdlet to catch my eye was Get-DnsClientServerAddress. Always good to know a way to find the DNS server. PS> Get-DnsClientServerAddress...
View ArticleDnsClient module: #2 DnsClient & Cache
The DnsClient module has a number of Get- cmdlets Get-DnsClient | Format-List InterfaceAlias, ConnectionSpecificSuffix, Register*, UseSuffix* An example of the output is InterfaceAlias...
View ArticleCreating DNS PTR records
When I was writing the DNS chapter of PowerShell in Practice I couldn’t get the CreateInstanceFromPropertyData method on the MicrosoftDNS_PTRType class to work. Revisiting DNS for AD management in a...
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DNS zone types
I was looking at the DNS zones for a project I’m working on. I needed to discover the conditional forwarder zone and hence the IP address of the DNS server to which the forwarding was occurring. The...
View ArticleHave you been talking to strangers?
Want to know the machines to which your machine has been connecting? Try looking in the client DNS cache: Get-DnsClientCache will show a wealth of useful data. All in the form: £>...
View ArticleDNS client settings
Following yesterdays post there are a couple of other cmdlets worth looking at if you want to dig into the DNS settings on your client machines. Get-DnsClient wil show you the DNS relsted settings for...
View ArticleParsing ipconfig /displaydns
A recent question on the forum asked how you could get the contents on Windows 7 machines and earlier. On later machines – Windows 8 and above – its easy because you can use Get-DnsClientCache from...
View ArticleParsing ipconfig /displaydns with regular expressions
In yesterdays post I used a series of split operations to parse the strings produced by ipconfig /displaydns Regular expressions should give a more power full way to perform this task. Not being a...
View ArticleError handling for DNS lookups
Interesting question on the forum regarding the Resolve-DNSname cmdlet. This is part of the DNSclient module introduced with Windows 8. If the DNS record is found everything is good £>...
View ArticleNSlookup in PowerShell
nslookup.exe is a command line executable that is used to discover the IP address of a remote machine from its FQDN. The results look something like this: PS> nslookup powershell.org DNS request...
View ArticleCreate a reverse lookup zone
I needed to create a DNS reverse lookup zone for my test environment. With Windows Server 2012 R2 I’ve got cmdlets available for managing DNS servers – the DnsServer module. You need to install the DNS...
View ArticleCreating DNS records
Following on from my previous post about creating a reverse lookup zone in DNS here’s a function to create records in that zone. The function takes an IP address and name (of host) and uses...
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