@ryanc probably yes, but fastmail and gmail delivered the mail. Would like to see some other resolvers and what happens too. Mostly tried linux based stuff myself. “host cname dot fyi” returns some interesting results! (Vis “dig MX cname.fyi”).
With just a mail dot cname dot fyi mx record postfix complains about a mail loop..
GrumpSec Spottycat (kyhwana@social.furry.nz)'s status on Tuesday, 14-Jan-2025 18:43:28 JST
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GrumpSec Spottycat (kyhwana@social.furry.nz)'s status on Tuesday, 14-Jan-2025 18:43:28 JST GrumpSec Spottycat