Domains with DNS TXT v=spf1 a mx include:_spf.yourfilter.nl include:_spf.mijnwefact.nl -all
There are 18 domains that have DNS TXT set to v=spf1 a mx include:_spf.yourfilter.nl include:_spf.mijnwefact.nl -all. The top 18 records ordered by domain rank are listed below.