Domains with DNS TXT v=spf1 ip4:104.156.49.50 include:relay.mailchannels.net +ip4:188.40.63.41 +include:spf.protection.outlook.com -all

There is 1 domain that have DNS TXT set to v=spf1 ip4:104.156.49.50 include:relay.mailchannels.net +ip4:188.40.63.41 +include:spf.protection.outlook.com -all.

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