Bad DNS for domain - effect on delivery

Provider bad DNS in 5321.from bad DNS in 5322.From accepted (spamfoldered) accepted (spamfoldered)
Yahoo inbox inbox
Gmail inbox inbox
AOL accepted rejected - 521 5.2.1 : AOL will not accept delivery of this message.
Comcast reject accepted, not delivered to inbox
IronPort reject inbox
Facebook reject accepted, delivered thru to user destination mailbox (Gmail)
Symantec accepted accepted

Test performed September 18th, 2014


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