Domains with DNS TXT v=spf1 a mx ptr include:secureserver.net include:spf.sendblue.com include:secureserver.net include:_spf.eu.sparkpostmail.com

There is 1 domain that have DNS TXT set to v=spf1 a mx ptr include:secureserver.net include:spf.sendblue.com include:secureserver.net include:_spf.eu.sparkpostmail.com.

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