live.siteforce.com has no TXT records.
Question and response
Question
dig live.siteforce.com. TXT
Answer
The response has no answer records.
Authority
live.siteforce.com. 10 SOA dns01.salesforce.com. hostmaster.salesforce.com. 2018027260 600 900 2592000 10
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0