Domains with DNS TXT v=spf1 ip4:46.4.4.21 include:spf.protection.outlook.com include:spf.shu21.unified-servers.com ~all
There is 1 domain that have DNS TXT set to v=spf1 ip4:46.4.4.21 include:spf.protection.outlook.com include:spf.shu21.unified-servers.com ~all.