Domains with DNS TXT v=spf1 include:secureserver.net include:theheartlandbuilders.com.spf.auto.dnssmarthost.net include:mailgun.org -all

There is 1 domain that have DNS TXT set to v=spf1 include:secureserver.net include:theheartlandbuilders.com.spf.auto.dnssmarthost.net include:mailgun.org -all.

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