Hi Eduard,
I’m also seeing same issue but still no success,
http://tagtest.lkqd.com/tag.html
even tag given by you as well not working,
https://ssp.lkqd.net/ad?pid=105&sid=205108&output=vast&execution=any&placement=&playinit=auto&volume=0&width=WIDTH&height=HEIGHT&dnt=DO_NOT_TRACK&pageurl=PAGEURL&contentid=CONTENT_ID&contenttitle=CONTENT_TITLE&contentlength=CONTENT_LENGTH&contenturl=CONTENT_URL&rnd=CACHEBUSTER
Please let me know, did you guys find any solution around.
i have asked LKQD team for a call to understand this. lets see.