Domains with DNS TXT v=spf1 a mx include:_spf.createsend.com include:_netblocks.mimecast.com ip4:188.40.109.183 ip6:2a01:4f8:221:2b50::2 ~all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:_spf.createsend.com include:_netblocks.mimecast.com ip4:188.40.109.183 ip6:2a01:4f8:221:2b50::2 ~all.