Domains with DNS TXT v=spf1 a mx include:spf.smtp2go.com include:spf.messagelabs.com ip4:84.19.47.212 ip4:84.19.47.210 -all

There are 40 domains that have DNS TXT set to v=spf1 a mx include:spf.smtp2go.com include:spf.messagelabs.com ip4:84.19.47.212 ip4:84.19.47.210 -all. The top 40 records ordered by domain rank are listed below.