Domains with DNS TXT v=spf1 mx a ip4:185.66.200.100 ip6:2a05:980::5:1 ip6:2a05:980:d:: include:sparkpostmail.com ~all
There is 1 domain that have DNS TXT set to v=spf1 mx a ip4:185.66.200.100 ip6:2a05:980::5:1 ip6:2a05:980:d:: include:sparkpostmail.com ~all.