Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:_spf.nol-is.de a:portal.kvwasser-nienburg.de -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:_spf.nol-is.de a:portal.kvwasser-nienburg.de -all.