Domains with DNS TXT v=spf1 a include:amazonses.com mx include:aspmx.googlemail.com include:zoho.com include:sparkpostmail.com -all
There is 1 domain that have DNS TXT set to v=spf1 a include:amazonses.com mx include:aspmx.googlemail.com include:zoho.com include:sparkpostmail.com -all.