Domains with DNS TXT v=spf1 include:spf.hornetsecurity.com include:smtp.ehc.adp.com include:spf.de.umantis.com include:spf.protection.outlook.com a include:secureserver.net include:ispgateway.de -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.hornetsecurity.com include:smtp.ehc.adp.com include:spf.de.umantis.com include:spf.protection.outlook.com a include:secureserver.net include:ispgateway.de -all.