Domains with DNS TXT v=spf1 a:mail.gn.apc.org a mx ptr include:_spf.gn.apc.org ~all
There are 102 domains that have DNS TXT set to v=spf1 a:mail.gn.apc.org a mx ptr include:_spf.gn.apc.org ~all. The top 50 records ordered by domain rank are listed below.