Domains with DNS TXT v=spf1 a mx ip4:5.63.21.149 ip6:0:0:0:0:0:0:0:1 ~all

There are 24 domains that have DNS TXT set to v=spf1 a mx ip4:5.63.21.149 ip6:0:0:0:0:0:0:0:1 ~all. The top 24 records ordered by domain rank are listed below.