Domains with DNS TXT v=spf1 a:smtp.tclcdn.com a:relay-10.tclcdn.com a:relay-20.tclcdn.com a:relay-30.tclcdn.com ~all
There is 1 domain that have DNS TXT set to v=spf1 a:smtp.tclcdn.com a:relay-10.tclcdn.com a:relay-20.tclcdn.com a:relay-30.tclcdn.com ~all.