Domains with DNS TXT v=spf1 include:spf.flowmailer.net include:_spf.mijnwefact.nl include:_spf.duocast.net +a +mx ~all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.flowmailer.net include:_spf.mijnwefact.nl include:_spf.duocast.net +a +mx ~all.