Domains with DNS TXT v=spf1 include:spf.redtailtechnology.com include:daviddenniston-com.spf.smtp25.com include:mailgun.org -all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.redtailtechnology.com include:daviddenniston-com.spf.smtp25.com include:mailgun.org -all.

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