Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:spf.messagelabs.com include:mail.zendesk.com ip4:91.207.110.20 ip4:91.207.110.23 ip4:91.207.110.38 ip4:46.30.11.4 ip4:51.105.57.227 ip4:20.68.127.187 -all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:spf.messagelabs.com include:mail.zendesk.com ip4:91.207.110.20 ip4:91.207.110.23 ip4:91.207.110.38 ip4:46.30.11.4 ip4:51.105.57.227 ip4:20.68.127.187 -all.

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