1. setspn -Q HTTP/tomcatserver.global.lpl.top@GLOBAL.LPL.TOP
Checking domain DC=global,DC=lpl,DC=top

No such SPN found.

2. setspn -l tomcatuser
Registered ServicePrincipalNames for CN=tomcatuser,OU=Services,OU=Accounts,...,OU=RU,OU=Delegated,DC=global,DC=lpl,DC=top:
        HTTP/tomcatserver.global.lpl.top

3. setspn -Q HTTP/tomcatserver.global.lpl.top
Checking domain DC=global,DC=lpl,DC=top
CN=tomcatuser,OU=Services,OU=Accounts,...,OU=RU,OU=Delegated,DC=global,DC=lpl,DC=top
        HTTP/tomcatserver.global.lpl.top

Existing SPN found!

4. setspn -Q HTTP/tomcatserver.global.lpl.top@global.lpl.top
Checking domain DC=global,DC=lpl,DC=top

No such SPN found.