I haven’t done extensive research but here is a live example where treewalk will cause a result change. From: is in the domain Ret.bmcc.cuny.edu which has no DMARC record. _dmarc.bmcc.cuny.edu. 300 IN TXT "v=DMARC1; p=quarantine; fo=1; rua=mailto:dmarc_...@emaildefense.proofpoint.com; ruf=mailto:dmarc_...@emaildefense.proofpoint.com" _dmarc.cuny.edu. 3325 IN TXT "v=DMARC1;" "p=none;" "rua=mailto:dmarc_...@emaildefense.proofpoint.com,mailto:post.mas...@cuny.edu;" "ruf=mailto:dmarc_...@emaildefense.proofpoint.com,mailto:post.mas...@cuny.edu;" "fo=1" Elizabeth Zwicky |
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