Line 48 altitudedigital.com is not the canonical exchange domain. Use altitude-arena.com instead.
Line 49 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 50 brightroll.com is not the canonical exchange domain. Use btrll.com instead.
Line 53 rubicon.com is not the canonical exchange domain. Use rubiconproject.com instead.
Line 57 sfx.freewheel.tv is not the canonical exchange domain. Use freewheel.tv instead.
Line 59 publishers.teads.tv is not the canonical exchange domain. Use teads.tv instead.
Line 60 publishers.teads.tv is not the canonical exchange domain. Use teads.tv instead.
Line 73 brightroll.com is not the canonical exchange domain. Use btrll.com instead.
Line 109 Ad system domain rtk.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 110 Ad system domain rtk.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 111 Ad system domain rtk.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 112 Ad system domain rtk.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