3a326cdd__and_Security_Support_Provider__Name
[Flag] 0x00001000 [Description] Sent by the client in the Type 1 message to indicate that the name of the domain in which the client workstation has membership is included in the message. This is used by the server to determine whether the client is eligible for local authentication. [Name] 
Negotiate Domain Supplied
The NTLM Authentication Protocol and Security Support Provider
Name