Domains with DNS TXT v=spf1 include:spf.protection.outlook.com mx ip4:77.245.45.66 ~all include:firststep-com-de.spf.smtp25.com

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com mx ip4:77.245.45.66 ~all include:firststep-com-de.spf.smtp25.com.

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