https://raw.githubusercontent.com/ckl/block-lists/master/skype-ads.txt

Domains that are blocked by oisd;

a.ads2.msads.net
ac3.msn.com
ads1.msn.com
aka-cdn-ns.adtech.de
b.ads2.msads.net
bs.serving-sys.com
cds26.ams9.msecn.net
flex.msn.com
live.rads.msn.com
msads.net
msecn.net
secure.flashtalking.com
static.2mdn.net