Domains with DNS TXT v=spf1 include:_spf4.pcextreme.nl include:_spf6.pcextreme.nl ~all

There are 17,707 domains that have DNS TXT set to v=spf1 include:_spf4.pcextreme.nl include:_spf6.pcextreme.nl ~all. The top 50 records ordered by domain rank are listed below.