Domains with DNS TXT v=spf1 mx:mail1.mckesson.com mx:mail2.mckesson.com mx:mail4.mckesson.com mx:mail5.mckesson.com mx:mail6.mckesson.com ~all
There is 1 domain that have DNS TXT set to v=spf1 mx:mail1.mckesson.com mx:mail2.mckesson.com mx:mail4.mckesson.com mx:mail5.mckesson.com mx:mail6.mckesson.com ~all.