You can use the ldapsearch tool to find and display the contents of the RootDSE object from an Oracle Directory Server Enterprise Edition. The command for Oracle Directory Server Enterprise Edition is the same as for Active Directory. See Example: Using ldapsearch to Find the RootDSE in Active Directory, ADAM, or AD LDS.
The output of the command is similar for all directories, with the exception of Oracle Directory Server Enterprise Edition, which does not support the dnsHostName attribute. To find the dnsHostName and ensure that all Vantage nodes resolve the host name in a way that matches how the name appears in the directory, you must examine the directory with a standard directory tool.
Oracle includes a vendorName and vendorVersion attribute (among others). Microsoft includes a larger set of attributes, and as result, returns a larger output.