Line 19 Ad system domain danmarketplace.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
Line 174 altitudedigital.com is not the canonical exchange domain. Use altitude-arena.com instead.
Line 175 Ad system domain oath.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
Line 176 brightroll.com is not the canonical exchange domain. Use btrll.com instead.
Line 180 rubicon.com is not the canonical exchange domain. Use rubiconproject.com instead.
Line 184 sfx.freewheel.tv is not the canonical exchange domain. Use freewheel.tv instead.
Line 186 publishers.teads.tv is not the canonical exchange domain. Use teads.tv instead.
Line 187 publishers.teads.tv is not the canonical exchange domain. Use teads.tv instead.
Line 239 Ad system domain connectad.io 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
Line 264 Ad system domain ucfunnel.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
Line 265 Ad system domain vindicosuite.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