mx03.lexisnexis.com has no TXT records.
Question and response
Question
dig mx03.lexisnexis.com. TXT
Answer
The response has no answer records.
Authority
lexisnexis.com. 900 SOA spn5061.telecom.regn.net. hostmaster.lexisnexis.com. 9665 3600 900 2419200 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0