Domains with DNS TXT v=spf1 a mx include:_spf.createsend.com include:mail.imismailcenter.com include:spf.protection.outlook.com ~all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:_spf.createsend.com include:mail.imismailcenter.com include:spf.protection.outlook.com ~all.