Domains with DNS TXT v=spf1 a mx ip4:24.249.210.164 include:spf.dynect.net include:mail.zendesk.com include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 a mx ip4:24.249.210.164 include:spf.dynect.net include:mail.zendesk.com include:spf.protection.outlook.com -all.