Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:spf.z-net.nl include:authsmtp.com include:spf.exclaimer.net -all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:spf.z-net.nl include:authsmtp.com include:spf.exclaimer.net -all.

Top Domains with TXT set to v=spf1 include:spf.protection.outlook.com include:spf.z-net.nl include:authsmtp.com include:spf.exclaimer.net -all