Domains with DNS TXT v=spf1 a mx include:_spf.yourfilter.nl include:spf-considered-harmful.xs4all.nl -all

There are 36 domains that have DNS TXT set to v=spf1 a mx include:_spf.yourfilter.nl include:spf-considered-harmful.xs4all.nl -all. The top 36 records ordered by domain rank are listed below.