Domains with DNS TXT v=spf1 include:_spf.xart.cz ip4:37.44.21.2 include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 include:_spf.xart.cz ip4:37.44.21.2 include:spf.protection.outlook.com -all.
There is 1 domain that have DNS TXT set to v=spf1 include:_spf.xart.cz ip4:37.44.21.2 include:spf.protection.outlook.com -all.