Domains with DNS TXT v=spf1+a+mx+ip4:185.137.220.137+include:out.mthnetworks.com+include:spf.protection.outlook.com-all
There is 1 domain that have DNS TXT set to v=spf1+a+mx+ip4:185.137.220.137+include:out.mthnetworks.com+include:spf.protection.outlook.com-all.