Domains with DNS TXT v=spf1 include:spf.emailexchangeonline.com include:spf.emailsecurityonline.com.br include:relay.mailchannels.net -all

There are 27 domains that have DNS TXT set to v=spf1 include:spf.emailexchangeonline.com include:spf.emailsecurityonline.com.br include:relay.mailchannels.net -all. The top 27 records ordered by domain rank are listed below.