Line 7 adnxs.com is not the canonical exchange domain. Use appnexus.com instead.
Line 129 mobileadtrading.com is not the canonical exchange domain. Use somoaudience.com instead.
Line 130 mobileadtrading.com is not the canonical exchange domain. Use somoaudience.com instead.
Line 216 Ad system domain theagency.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 224 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