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There is 1 domain that have DNS TXT set to v=spf1 +a +mx include:_90b2b3d991e8f22ee141155e9934405f.spf.dnssmarthost.net include:_spf.mailspamprotection.com include:spf.protection.outlook.com -all.

Top Domains with TXT set to v=spf1 +a +mx include:_90b2b3d991e8f22ee141155e9934405f.spf.dnssmarthost.net include:_spf.mailspamprotection.com include:spf.protection.outlook.com -all