Domains with DNS TXT v=spf1 ip4:212.16.185.220 include:_spf.reliablemail.org ip4:62.50.167.74 include:spf.protection.outlook.com include:mail.zendesk.com -all
There is 1 domain that have DNS TXT set to v=spf1 ip4:212.16.185.220 include:_spf.reliablemail.org ip4:62.50.167.74 include:spf.protection.outlook.com include:mail.zendesk.com -all.