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42 lines
1.0 KiB
PowerShell
Executable File
42 lines
1.0 KiB
PowerShell
Executable File
<#
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.SYNOPSIS
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Checks the DNS resolution
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.DESCRIPTION
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This PowerShell script checks the DNS resolution with frequently used domain names.
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.EXAMPLE
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PS> ./check-dns
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11.8 domains per second DNS resolution
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.LINK
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https://github.com/fleschutz/PowerShell
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.NOTES
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Author: Markus Fleschutz | License: CC0
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#>
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try {
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$StopWatch = [system.diagnostics.stopwatch]::startNew()
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write-progress "Reading Data/domain-names.csv..."
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$Table = Import-CSV "$PSScriptRoot/../Data/domain-names.csv"
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if ($IsLinux) {
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foreach($Row in $Table) {
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write-progress "Resolving $($Row.Domain)..."
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$null = dig $Row.Domain +short
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}
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} else {
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foreach($Row in $Table) {
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write-progress "Resolving $($Row.Domain)..."
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$null = Resolve-dnsName $Row.Domain
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}
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}
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$Count = $Table.Length
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[int]$Elapsed = $StopWatch.Elapsed.TotalSeconds
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$Average = [math]::round($Count / $Elapsed, 1)
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"$Average domains per second DNS resolution"
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exit 0 # success
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} catch {
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"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
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exit 1
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}
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