Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:_spf.tophost.ch include:relay.mailchannels.net include:spf.eu.signature365.net -all
There are 5 domains that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:_spf.tophost.ch include:relay.mailchannels.net include:spf.eu.signature365.net -all. The top 5 records ordered by domain rank are listed below.