The website 'agrar.hu-berlin.de' was previously inaccessible. Please attempt to access it again. If successful, navigate to the homepage and list all primary navigation links or main sections visible. If it remains inaccessible, report the 'net::ERR_NAME_NOT_RESOLVED' error again.
Attempt to navigate to 'http://agrar.hu-berlin.de/'. If navigation is successful, identify and list the primary navigation links or main sections visible on the homepage. If navigation fails with a 'net::ERR_NAME_NOT_RESOLVED' error, report the error.
The agent successfully navigates to 'http://agrar.hu-berlin.de/' and lists key navigation links (e.g., 'Study', 'Research', 'Faculty', 'News', 'Departments', 'About Us', 'Contact'). Alternatively, the agent reports that the website remains inaccessible due to a 'net::ERR_NAME_NOT_RESOLVED' error.