Domains with DNS TXT v=spf1 a include:spf.protection.outlook.com include:md02.com include:spf001.vertisoftpme.com include:spf.hornetsecurity.com -all
There is 1 domain that have DNS TXT set to v=spf1 a include:spf.protection.outlook.com include:md02.com include:spf001.vertisoftpme.com include:spf.hornetsecurity.com -all.