Web page to report all Expired and Expiring Certificates on the network

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1 
<######################################################################
SERVER SSL CERT STATUS REPORT
This Script gathers the report of SSL CERTIFICATES installed
and generates HTML output. 

.NOTES    
Name: get_cert-date-SERVERS.ps1

Version : 1.1
Date	: 04-Apr-2020

.ServerList
Add List of Servers in SERVERS.txt file and keep on same directory

.EXAMPLE 
get_cert-date-SERVERS.ps1
######################################################################>

$InputFIle = "C:\wamp64\apps\uptime\SERVERS.txt"

$Computers = Get-Content $InputFIle -ReadCount 0

$Result = @()

foreach ($ServerName in  $Computers){

    $FullName = "$Servername.maringeneral.org"
    
    $Certs = invoke-command -ComputerName $FullName -ScriptBlock {Get-ChildItem Cert:\LocalMachine\My}
    
    foreach($certificate in $Certs){

        $Machine = $ServerName
        $DateExp = $certificate.NotAfter
        $DaystoExp = ($certificate.NotAfter - (Get-Date)).Days
        $TP = $certificate.ThumbPrint
        $Serial = $certificate.SerialNumber

        $Result += New-Object PSObject -Property @{
            ServerName = $Machine
            DateExp = $DateExp
            DaystoExp = $DaystoExp
            ThumbPrint = $TP
            Serial = $Serial
        }
    }
    
}

$TodayTime = Get-Date -DisplayHint DateTime

#---------------------

# Generate HTML report page

#------------------------

if($Result -ne $null)
{
	$HTML = "<p>
			Time : $TodayTime <br>
         </p>"
    $HTML += "<div class="script-name"><p><u>SERVERS SSL CERTIFICATE STATUS REPORT</u></p></div>"
    $HTML += "<div class="script-name"><button onclick='goBack()'>HOME</button></div>"
    $HTML += "<br><br>"
    $HTML += "<div>"
    $HTML += "<Table class="'sortable'">
        <TR>
            <TH><B>Server Name</B></TH>
            <TH><B>Days to Exp.</B></TH>
            <TH><B>Date Exp.</B></TH>
            <TH><B>Thumb Print</B></TD>
            <TH><B>Serial</B></TH>
        </TR>"
    Foreach($Entry in $Result)
    {  
        $HTML += "
		<TR>
                    <TD>$($Entry.ServerName)</TD>
                    <TD>$($Entry.DaystoExp)</TD>
                    <TD>$($Entry.DateExp)</TD>
                    <TD>$($Entry.ThumbPrint)</TD>
                    <TD>$($Entry.Serial)</TD>
                </TR>"
    }
    $HTML += "</Table></div></br></br></br>"
    Write-Output $HTML
}