Domains with DNS TXT v=spf1 a mx include:spf.celeros.cloud include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:spf.crsend.com -all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:spf.celeros.cloud include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:spf.crsend.com -all.