Domains with DNS TXT v=spf1 mx a:hostmail.callingcards.com ip4:40.142.84.160 include:universalcallingspf.smtp.com ~all
There is 1 domain that have DNS TXT set to v=spf1 mx a:hostmail.callingcards.com ip4:40.142.84.160 include:universalcallingspf.smtp.com ~all.