PowerShell/Scripts/check-dns.ps1
2021-12-02 15:25:42 +01:00

42 lines
1.1 KiB
PowerShell
Executable File

<#
.SYNOPSIS
Checks the DNS resolution
.DESCRIPTION
This script checks the DNS resolution with frequently used domain names.
.EXAMPLE
PS> ./check-dns
✔️ DNS resolution is 11.8 domains per second
.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)
$Reply = "$Average domains per second DNS resolution"
"✔️ $Reply"
& "$PSScriptRoot/speak-english.ps1" "$Reply"
exit 0 # success
} catch {
"⚠️ Error: $($Error[0]) ($($MyInvocation.MyCommand.Name):$($_.InvocationInfo.ScriptLineNumber))"
exit 1
}