Domains with DNS TXT v=spf1 +a +mx include:relay.mailchannels.net ip4:110.174.237.134 ip4:210.8.33.166 ip4:27.33.137.110 include:spf.protection.outlook.com include:servers.mcsv.net include:44401408.spf04.hubspotemail.net include:spfa.cpmails.com include:amazonses.com -all

There is 1 domain that have DNS TXT set to v=spf1 +a +mx include:relay.mailchannels.net ip4:110.174.237.134 ip4:210.8.33.166 ip4:27.33.137.110 include:spf.protection.outlook.com include:servers.mcsv.net include:44401408.spf04.hubspotemail.net include:spfa.cpmails.com include:amazonses.com -all.

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