# info > Net::LDAP::RootDSE

## [Net::LDAP::RootDSE](https://www.chedong.com/phpMan.php/perldoc/Net%3A%3ALDAP%3A%3ARootDSE/markdown)(3pmUser Contributed Perl [DocumentatiNet::LDAP](https://www.chedong.com/phpMan.php/perldoc/DocumentatiNet%3A%3ALDAP/markdown)::[RootDSE(3pm)](https://www.chedong.com/phpMan.php/man/RootDSE/3pm/markdown)

## NAME
       [Net::LDAP::RootDSE](https://www.chedong.com/phpMan.php/perldoc/Net%3A%3ALDAP%3A%3ARootDSE/markdown) - An LDAP RootDSE object

## SYNOPSIS
        my $dse = $ldap->root_dse();

        # get naming Contexts
        my @contexts = $dse->get_value('namingContexts');

        # get supported LDAP versions as an array reference
        my $versions = $dse->get_value('supportedLDAPVersion', asref => 1);

## DESCRIPTION
   Methods
       get_value
           "get_value" is identical to "get_value" in [Net::LDAP::Entry](https://www.chedong.com/phpMan.php/perldoc/Net%3A%3ALDAP%3A%3AEntry/markdown)

       supported_extension ( OID_LIST )
           Returns true if the server supports all of the specified extension
           OIDs

       supported_feature ( OID_LIST )
           Returns true if the server supports all of the specified feature
           OIDs

       supported_version ( VERSION_LIST )
           Returns true if the server supports all of the specified versions

       supported_control ( OID_LIST )
           Returns true if the server supports all of the specified control
           OIDs

       supported_sasl_mechanism ( SASL_MECH_LIST )
           Returns true if the server supports all of the specified SASL
           mechanism names

## SEE ALSO
       [Net::LDAP](https://www.chedong.com/phpMan.php/perldoc/Net%3A%3ALDAP/markdown), [Net::LDAP::Entry](https://www.chedong.com/phpMan.php/perldoc/Net%3A%3ALDAP%3A%3AEntry/markdown)

## AUTHOR
       Chris Ridd <<chris.ridd@isode.com>>, Graham Barr <<gbarr@pobox.com>>.

## COPYRIGHT
       Copyright (c) 2003-2004, Chris Ridd and Graham Barr. All rights
       reserved. This library is free software; you can redistribute it and/or
       modify it under the same terms as Perl itself.

perl v5.32.0                      2021-01-03           [Net::LDAP](https://www.chedong.com/phpMan.php/perldoc/Net%3A%3ALDAP/markdown)::[RootDSE(3pm)](https://www.chedong.com/phpMan.php/man/RootDSE/3pm/markdown)