confused with DS Geo Map Basemap URL

Hello,I'm recently use Geo Map in my project,I realized what I want,but I have a doubt.

where basemap url from? I just use one from community blog,and I don't know how to creat it,and if it was created by someone ,whether the url will disabled like GeoMap basemap standard url.If can creat by ourself ,how?

this is my basemap url: http://tile.openstreetmap.org/{LOD}/{X}/{Y}.png

Thanks.

Jing