Check Domain Trust Relationship

Instructions

To check the trust relationship of a workstation run this command at a command prompt:

nltest /trusted_domains

For more info see this TechNet article 

Related articles

• Page:
  What ports are used in communication on a Windows Network?
• Page:
  Chrome Extension Group Policy
• Page:
  Troubleshoot Active Directory Connections
• Page:
  Set Local Intranet Sites List via Domain Group Policy
• Page:
  .NET Framework 4.7.2 support