Domains with DNS TXT v=spf1 ip4:129.121.18.161 include:spf.us.emailservice.io include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 ip4:129.121.18.161 include:spf.us.emailservice.io include:spf.protection.outlook.com -all.