Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:studiocassone.it.spf.auto.dnssmarthost.net -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:studiocassone.it.spf.auto.dnssmarthost.net -all.