PowerShell/Scripts/check-dns-resolution.ps1
2021-09-27 10:09:45 +02:00

39 lines
977 B
PowerShell
Executable File

<#
.SYNOPSIS
check-dns-resolution.ps1
.DESCRIPTION
Checks the DNS resolution with frequently used domain names
.EXAMPLE
PS> ./check-dns-resolution
.LINK
https://github.com/fleschutz/PowerShell
.NOTES
Author: Markus Fleschutz · License: CC0
#>
try {
$StopWatch = [system.diagnostics.stopwatch]::startNew()
write-progress "Reading Data/domain-names.csv..."
$PathToRepo = "$PSScriptRoot/.."
$Table = import-csv "$PathToRepo/Data/domain-names.csv"
foreach($Row in $Table) {
write-progress "Resolving $($Row.Domain) ..."
if ($IsLinux) {
$Ignore = nslookup $Row.Domain
} else {
$Ignore = resolve-dnsName $Row.Domain
}
}
$Count = $Table.Length
[int]$Elapsed = $StopWatch.Elapsed.TotalSeconds
$Average = [math]::round($Count / $Elapsed, 1)
"✔️ $Average domains/s ($Count domains resolved in $Elapsed sec)"
exit 0 # success
} catch {
"⚠️ Error: $($Error[0]) ($($MyInvocation.MyCommand.Name):$($_.InvocationInfo.ScriptLineNumber))"
exit 1
}