Domains with DNS TXT v=spf1 a a:mail.skynet-solutions.net ip4:216.16.142.136 include:spf.protection.outlook.com include:spf.constantcontact.com -all
There is 1 domain that have DNS TXT set to v=spf1 a a:mail.skynet-solutions.net ip4:216.16.142.136 include:spf.protection.outlook.com include:spf.constantcontact.com -all.