Domains with DNS TXT v=spf1 include:_spf.onebit.cz include:_spf.nlengine.com include:spf.protection.outlook.com a:mailserver.viaaurea.cz ~all

There is 1 domain that have DNS TXT set to v=spf1 include:_spf.onebit.cz include:_spf.nlengine.com include:spf.protection.outlook.com a:mailserver.viaaurea.cz ~all.

Top Domains with TXT set to v=spf1 include:_spf.onebit.cz include:_spf.nlengine.com include:spf.protection.outlook.com a:mailserver.viaaurea.cz ~all