Domains with DNS TXT v=spf1 include:sendgrid.net include:mktomail.com include:_spf.kubra.com include:spf.mailengine1.com -all

There is 1 domain that have DNS TXT set to v=spf1 include:sendgrid.net include:mktomail.com include:_spf.kubra.com include:spf.mailengine1.com -all.

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