Domains with DNS TXT v=spf1 +a +mx +ip6:2a01:4f8:10a:e28::2 include:_spf.fastmail.gr -all
There are 338 domains that have DNS TXT set to v=spf1 +a +mx +ip6:2a01:4f8:10a:e28::2 include:_spf.fastmail.gr -all. The top 50 records ordered by domain rank are listed below.