mirror of
https://github.com/fleschutz/PowerShell.git
synced 2024-12-16 03:30:39 +01:00
53 lines
2.0 KiB
PowerShell
Executable File
53 lines
2.0 KiB
PowerShell
Executable File
<#
|
|
.SYNOPSIS
|
|
Check DNS servers
|
|
.DESCRIPTION
|
|
This PowerShell script checks the speed of public DNS server.
|
|
.EXAMPLE
|
|
PS> ./check-dns-server
|
|
.LINK
|
|
https://github.com/fleschutz/PowerShell
|
|
.NOTES
|
|
Author: Markus Fleschutz | License: CC0
|
|
#>
|
|
|
|
function CheckDNS { param($Name, $PriIPv4, $SecIPv4)
|
|
$StopWatch = [system.diagnostics.stopwatch]::startNew()
|
|
$null = (nslookup fleschutz.de $PriIPv4 2>$null)
|
|
[int]$Elapsed1 = $StopWatch.Elapsed.TotalMilliseconds
|
|
|
|
$StopWatch = [system.diagnostics.stopwatch]::startNew()
|
|
$null = (nslookup fleschutz.de $SecIPv4 2>$null)
|
|
[int]$Elapsed2 = $StopWatch.Elapsed.TotalMilliseconds
|
|
|
|
" `"$Name`"; `"$PriIPv4`"; `"$Elapsed1 ms`"; `"$SecIPv4`"; `"$Elapsed2 ms`"; "
|
|
}
|
|
|
|
try {
|
|
Write-Progress "Measuring speed of public DNS servers..."
|
|
" `"DNS SERVICE`"; `"PRIMARY IPv4`"; `"LATENCY`"; `"SECONDARY IPv4`"; `"LATENCY`"; "
|
|
CheckDNS "Cloudflare (standard)" 1.1.1.1 1.0.0.1
|
|
CheckDNS "Cloudflare with malware blocklist" 1.1.1.2 1.0.0.2
|
|
CheckDNS "Cloudflare with malware+adult blocklist" 1.1.1.3 1.0.0.3
|
|
CheckDNS "DNS0.eu (standard)" 193.110.81.0 185.253.5.0
|
|
CheckDNS "DNS0.eu for kids" 193.110.81.1 185.253.5.1
|
|
CheckDNS "Google Public DNS" 8.8.8.8 8.8.4.4
|
|
CheckDNS "Level3 one" 4.2.2.1 4.2.2.1
|
|
CheckDNS "Level3 two" 4.2.2.2 4.2.2.2
|
|
CheckDNS "Level3 three" 4.2.2.3 4.2.2.3
|
|
CheckDNS "Level3 four" 4.2.2.4 4.2.2.4
|
|
CheckDNS "Level3 five" 4.2.2.5 4.2.2.5
|
|
CheckDNS "Level3 six" 4.2.2.6 4.2.2.6
|
|
CheckDNS "OpenDNS Basic" 208.67.222.222 208.67.220.220
|
|
CheckDNS "OpenDNS Family Shield" 208.67.222.123 208.67.220.123
|
|
CheckDNS "OpenNIC" 94.247.43.254 94.247.43.254
|
|
CheckDNS "Quad9 with malware blocklist, with DNSSEC" 9.9.9.9 9.9.9.9
|
|
CheckDNS "Quad9, no malware blocklist, no DNSSEC" 9.9.9.10 9.9.9.10
|
|
CheckDNS "Quad9, with malware blocklist, with DNSSEC, with EDNS" 9.9.9.11 9.9.9.11
|
|
CheckDNS "Quad9, with malware blocklist, with DNSSEC, NXDOMAIN only" 9.9.9.12 9.9.9.12
|
|
CheckDNS "Verisign Public DNS" 64.6.64.6 64.6.65.6
|
|
exit 0 # success
|
|
} catch {
|
|
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
|
|
exit 1
|
|
} |