Domains with DNS TXT v=spf1 mx a ip4:212.227.126.134 include:spf.nl2go.com include:spf.secumail.de include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 mx a ip4:212.227.126.134 include:spf.nl2go.com include:spf.secumail.de include:spf.protection.outlook.com -all.