Domains with DNS TXT v=spf1 +a +mx +ip4:23.91.70.12 +include:relay.mailchannels.net +include:relay.mailchannels.net +ip4:216.172.189.115 +ip4:198.252.66.67 +a:relay.mailchannels.net ~all

There is 1 domain that have DNS TXT set to v=spf1 +a +mx +ip4:23.91.70.12 +include:relay.mailchannels.net +include:relay.mailchannels.net +ip4:216.172.189.115 +ip4:198.252.66.67 +a:relay.mailchannels.net ~all.

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