Try our new Certificate Revocation List Check Tool
CRLcheck.exe is a tool developed to verify digital signatures of executable files. It collects files from known paths on your client, checks their signature, and checks Certificate Revocation Lists (CRL) and OCSP download. This helps avoid delays in launching files.

Since the redesign, which does not seem to work properly under some IE versions, we had to use other resources or say find them. Beside we use for MX SPAM lookup there is which is really nice and does most of the stuff for you automatic incl. good Name server check.


Check Blocklist SPAM:

Check your domain or IP and if’s listed on most of the SPAM Blocklist.

Google MX Checker:

Check if certain IP-address is on honeypot list (Spam/Attacks usw.)

DIG Online by Swisscom:

Check you MTU Size path from ETH Zürich to your local IP: (Tool: mtupath.exe)


Check your IP range. Lots of good text about Blacklist, find OUT who DENIED Express delisteing of you IP:

Network tools for replacement of some ETH tools (rever-Trecroute / Ping)
 (51.49 kb)

 Category published:  Exchange 2007 Exchange 2010 Exchange 2013 Exchange 2016 Exchange 2019 M365,AZURE,INTUNE Microsoft Exchange SECURITY SPAM Fortimail   Click on the Category button to get more articles regarding that product.