Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:relay.mailchannels.net a mx ip4:97.105.21.11 ip4:97.79.142.222 ip4:216.177.189.228 ip4:38.68.39.9 ip4:150.220.228.162 ip4:109.106.251.51 a:mta.billandpay.com -all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:relay.mailchannels.net a mx ip4:97.105.21.11 ip4:97.79.142.222 ip4:216.177.189.228 ip4:38.68.39.9 ip4:150.220.228.162 ip4:109.106.251.51 a:mta.billandpay.com -all.

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