http://nomads.ncep.noaa.gov/dods/gfs_1p00/gfs20210901/gfs_1p00_00z_anl.info
because of the following error:
/gfs_1p00/gfs20210901/gfs_1p00_00z_anl is not an available dataset
Check the syntax of your request, or click here for help using the server.