lb1.dub.prod.101domain.com has no TXT records.
Question and response
Question
dig lb1.dub.prod.101domain.com. TXT
Answer
The response has no answer records.
Authority
prod.101domain.com. 38400 SOA NS1.FASTTRACKDNS.com. ADMIN.prod.101domain.com. 2015127026 10800 3600 604800 38400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0