This is the changelog for netkit-lab_dns 2.1 - Slides - Updated template. - Some minor fixes. - Added examples of usage of dig for performing advanced queries. - Lab - Minor reviews of the self-test procedure. 2.0 (2006/04/05) - Lab - Slightly changed some configuration parameters for the DNS. - Fixed incorrect broadcast address for collision domain B. - Turned to the lcommands-based version of the lab. - The lab is now ready for automatic testing. - Slides - Extended explanation of DNS mechanisms (some slides have been moved from the email lab to this one). - More detailed examples with the observed DNS packets. - Fixed steps 5 and 6 (they were missing some queries). - Improved graphic style. - The output of Netkit commands has been adapted to Netkit version 2. - General - Introduced a changelog.