Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:_spf.zivver.com include:_spf.sibi.nl include:mailservers.whitehost.eu -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:_spf.zivver.com include:_spf.sibi.nl include:mailservers.whitehost.eu -all.