Our data indicates ExamSoft supports DMARC compliance via SPF.
Our data indicates ExamSoft does not support DMARC compliance via DKIM. Please contact them to ask about their DMARC-DKIM capabilities.
There's an include available 'include:spf.examsoft.com', however that seems to pull in a lot. Make sure to contact ExamSoft to understand if there's another entry you can use for your SPF that doesn't authorize servers you won't be using.