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:[email protected]; ruf=mailto:[email protected]" _dmarc.cuny.edu. 3325 IN TXT "v=DMARC1;" "p=none;" "rua=mailto:[email protected],mailto:[email protected];" "ruf=mailto:[email protected],mailto:[email protected];" "fo=1" Elizabeth Zwicky |
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