Determine if the Department of Agricultural Economics website at agrar.hu-berlin.de is currently accessible. If it is not, identify the specific technical error message displayed that explains why the page could not be loaded. Report the accessibility status and the exact error encountered.
Attempt to navigate to http://agrar.hu-berlin.de/ If navigation fails, identify the specific error message displayed by the browser. Report that the website is inaccessible and state the exact error message.
Confirm that the website http://agrar.hu-berlin.de/ is inaccessible. State the exact error message encountered: 'net::ERR_NAME_NOT_RESOLVED'.