THREDDS Data Server Catalog https://dap.ceda.ac.uk/thredds/catalog/badc/optclim/data/summary_data_and_software/masks/catalog.html

Dataset Size Last Modified
     Folder  masks   --
         sea_mask_hadgem3_N96.nc 225.4 Kbytes 2016-12-15T16:21:58Z
         land_sea_n96.nc 114.0 Kbytes 2016-12-15T16:21:58Z
         land_sea.nc 114.0 Kbytes 2016-12-15T16:21:58Z

THREDDS Data Server at CEDA see Info
THREDDS Data Server [Version 4.6.15 - 2020-06-16T13:36:16-0600] Documentation