Domains with DNS TXT v=spf1 include:spf.webreus.email include:spf-considered-harmful.xs4all.nl include:smtp.spf.ziggo.nl -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.webreus.email include:spf-considered-harmful.xs4all.nl include:smtp.spf.ziggo.nl -all.