Category Archives: DNS

Get-DnsServerResourceRecord

Posted on Thursday 21 November 2019 by richardsiddaway

You saw how to discover the zones on a DNS server in the first post in this series. Now its time to discover the records in a zone. For that you need Get-DnsServerResourceRecord. The syntax is: Get-DnsServerResourceRecord [-ZoneName] <string> [[-Name] … Continue reading →

Posted in DNS, PowerShell v6 | Leave a comment

DNS zones

Posted on Wednesday 20 November 2019 by richardsiddaway

I’m working through the commonly used DNS server cmdlets to determine if everything works in PowerShell core. First up is the cmdlet to get the DNS zones on your DNS server. PS>  Get-DnsServerZone | Format-List -Property ZoneName, ZoneType,  IsAutoCreated, IsDsIntegrated, … Continue reading →

Posted in DNS, PowerShell v6 | Leave a comment

Test DNS servers

Posted on Saturday 22 June 2019 by richardsiddaway

Had a recent comment about testing DNS servers which got me thinking how do I test DNS servers. I decided I wanted to get the DNS server address from the client, ping the DNS server to test network connectivity and … Continue reading →

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Finding DNS static records

Posted on Sunday 29 January 2017 by richardsiddaway

An interesting question from the forums about finding DNS static records You can view the records in a DNS zone Get-CimInstance -Namespace root\MicrosoftDNS -ClassName MicrosoftDNs_Atype -ComputerName W16DC01  -Filter “DomainName = ‘manticore.org’” | select OwnerName, Timestamp, IPAddress but how do you … Continue reading →

Posted in DNS, Powershell, PowerShell and CIM | Leave a comment

Creating DNS records

Posted on Friday 30 October 2015 by richardsiddaway

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 Add-DnsServerResourceRecordA  to add the record … Continue reading →

Posted in DNS, Powershell, Windows Server 2012 R2 | 1 Comment

Create a reverse lookup zone

Posted on Friday 30 October 2015 by richardsiddaway

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 role or the DNS … Continue reading →

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NSlookup in PowerShell

Posted on Tuesday 13 October 2015 by richardsiddaway

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.orgDNS request timed out.    timeout was 2 seconds.Server:  UnKnownAddress:  192.168.0.1 Non-authoritative … Continue reading →

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Error handling for DNS lookups

Posted on Tuesday 29 September 2015 by richardsiddaway

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 £> Resolve-DnsName W12R2DSC -Server server02 | ft -a Name                   Type TTL  … Continue reading →

Posted in DNS, PowerShell v5, Windows Server 2012 R2 | 1 Comment

Parsing ipconfig /displaydns with regular expressions

Posted on Monday 29 June 2015 by richardsiddaway

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 big fan of regular expressions I … Continue reading →

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Parsing ipconfig /displaydns

Posted on Sunday 28 June 2015 by richardsiddaway

  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 the DnsClient module. … Continue reading →

Posted in DNS, Networking, PowerShellGet | 1 Comment