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Top Domains with TXT set to v=spf1 include:emailsrvr.com include:spf.sendinblue.com include:spf.brevo.com include:bluehost.com include:ccsend.com include:constantcontact.com include:confirmedcc.com ip4:216.139.250.40 ip4:216.139.250.41 ip4:216.139.250.42 ip4:216.139.250.202 -all