Domains with DNS TXT v=spf1 include:mailgun.org ~all mx include:_spf.jetsend.com include:outbound.mailhop.org include:mailer.postageapp.com ~all
There is 1 domain that have DNS TXT set to v=spf1 include:mailgun.org ~all mx include:_spf.jetsend.com include:outbound.mailhop.org include:mailer.postageapp.com ~all.