Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:mailrelay.crossknowledge.com include:sendgrid.net include:_spf.qualtrics.com ip4:75.146.174.228 ip4:209.134.143.148 ip4:24.155.11.13 ip4:13.111.105.37 include:spf-0053b401.pphosted.com ~all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:mailrelay.crossknowledge.com include:sendgrid.net include:_spf.qualtrics.com ip4:75.146.174.228 ip4:209.134.143.148 ip4:24.155.11.13 ip4:13.111.105.37 include:spf-0053b401.pphosted.com ~all.

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