Domains with DNS TXT v=spf1 a mx ptr -all
There are 16,663 domains that have DNS TXT set to v=spf1 a mx ptr -all. The top 50 records ordered by domain rank are listed below.
There are 16,663 domains that have DNS TXT set to v=spf1 a mx ptr -all. The top 50 records ordered by domain rank are listed below.