Domains with DNS TXT v=spf1 include:_spf.sent2mail.com include:amazonses.com include:_spf.yandex.net include:_spf.google.com include:mail.zendesk.com include:mailgun.org -all
There is 1 domain that have DNS TXT set to v=spf1 include:_spf.sent2mail.com include:amazonses.com include:_spf.yandex.net include:_spf.google.com include:mail.zendesk.com include:mailgun.org -all.