Domains with DNS TXT v=spf1 mx a include:_spf.mailprotect.be include:_spf.relay.mailprotect.be -all
There are 1,779 domains that have DNS TXT set to v=spf1 mx a include:_spf.mailprotect.be include:_spf.relay.mailprotect.be -all. The top 50 records ordered by domain rank are listed below.