Domains with DNS TXT v=spf1 a include:spf.protection.outlook.com include:4811204.spf05.hubspotemail.net include:spf.mandrillapp.com include:sendgrid.net ip4:103.21.51.153 ip4:103.244.128.209 ip4:14.203.15.2 ip4:60.241.125.126 ip4:220.244.158.226 -all

There is 1 domain that have DNS TXT set to v=spf1 a include:spf.protection.outlook.com include:4811204.spf05.hubspotemail.net include:spf.mandrillapp.com include:sendgrid.net ip4:103.21.51.153 ip4:103.244.128.209 ip4:14.203.15.2 ip4:60.241.125.126 ip4:220.244.158.226 -all.

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