mirror of
https://github.com/fleschutz/PowerShell.git
synced 2024-12-03 05:14:56 +01:00
42 lines
1.0 KiB
PowerShell
Executable File
42 lines
1.0 KiB
PowerShell
Executable File
<#
|
|
.SYNOPSIS
|
|
Checks the DNS resolution
|
|
.DESCRIPTION
|
|
This PowerShell script checks the DNS resolution with frequently used domain names.
|
|
.EXAMPLE
|
|
PS> ./check-dns
|
|
11.8 domains per second 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..."
|
|
$Table = Import-CSV "$PSScriptRoot/../Data/domain-names.csv"
|
|
|
|
if ($IsLinux) {
|
|
foreach($Row in $Table) {
|
|
write-progress "Resolving $($Row.Domain)..."
|
|
$null = dig $Row.Domain +short
|
|
}
|
|
} else {
|
|
foreach($Row in $Table) {
|
|
write-progress "Resolving $($Row.Domain)..."
|
|
$null = Resolve-dnsName $Row.Domain
|
|
}
|
|
}
|
|
$Count = $Table.Length
|
|
|
|
[int]$Elapsed = $StopWatch.Elapsed.TotalSeconds
|
|
$Average = [math]::round($Count / $Elapsed, 1)
|
|
"$Average domains per second DNS resolution"
|
|
exit 0 # success
|
|
} catch {
|
|
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
|
|
exit 1
|
|
}
|