Domains with DNS TXT v=spf1 ip4:51.255.91.68 +a +mx +ip4:176.31.224.3 +ip4:37.187.254.162 +ip4:185.129.251.227 +ip4:109.205.137.75 +include:spf.smtp2go.com -all

There is 1 domain that have DNS TXT set to v=spf1 ip4:51.255.91.68 +a +mx +ip4:176.31.224.3 +ip4:37.187.254.162 +ip4:185.129.251.227 +ip4:109.205.137.75 +include:spf.smtp2go.com -all.

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