Domains with DNS TXT v=spf1 ip4:23.137.224.251 ip4:23.137.224.214 +mx +a +ip4:23.137.224.98 +ip4:170.75.252.98 +include:mailgun.org +include:spf.constantcontact.com ~all

There is 1 domain that have DNS TXT set to v=spf1 ip4:23.137.224.251 ip4:23.137.224.214 +mx +a +ip4:23.137.224.98 +ip4:170.75.252.98 +include:mailgun.org +include:spf.constantcontact.com ~all.

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