Parsing 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...
View ArticleFinding DNS static records
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...
View ArticleTest DNS servers
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...
View ArticleDNS zones
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 |...
View ArticleGet-DnsServerResourceRecord
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:...
View Article