Line 37 360yield.com is not the canonical exchange domain. Use improvedigital.com instead.
Line 84 pulsepoint.com is not the canonical exchange domain. Use contextweb.com instead.
Line 87 Ad system domain seedtag.com is not a known exchange domain. Ensure the spelling is correct, check the partner documentation, or have the partner update the IAB Tech Lab normalization mappings: https://wiki.iabtechlab.com/index.php?title=Ads.txt_Normalization_Mappings