Domains with DNS TXT v=spf1 include:spf.protection.outlook.com ip4:152.86.73.220 include:mailgun.org include:relay.mailchannels.net -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com ip4:152.86.73.220 include:mailgun.org include:relay.mailchannels.net -all.