efolder.mktoweb.com has no TXT records.
Question and response
Question
dig efolder.mktoweb.com. TXT
Answer
The response has no answer records.
Authority
mktoweb.com. 900 SOA ns1.marketo.com. ops.localhost. 338789307 300 300 604800 900
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0