GetCapabilities (GET):

http://sg.geodatenzentrum.de/wms_dlm1000?VERSION=1.1.0&REQUEST=GetCapabilities

GetMap (GET):

http://sg.geodatenzentrum.de/wms_dlm1000?VERSION=1.1.0&REQUEST=GetMap&LAYERS=1,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,36,37,38,52,54,55,56,57,59,60,62,64,65,66,67,69,70,71,73,74,75,76,77,78,81,82,83,91&SRS=EPSG:25832&STYLES=&BBOX=701177.1609447006,5670297.665558707,710602.3159292865,5678415.100223943&WIDTH=591&HEIGHT=509&FORMAT=image/png&TRANSPARENT=TRUE