www.lexis.com has no NS records.
NS records for this zone are defined at lexis.com.
NS records for this zone are defined at lexis.com.
Question and response
Question
dig www.lexis.com. NS
Answer
The response has no answer records.
Authority
lexis.com. 900 SOA spn5061.telecom.regn.net. hostmaster.lexisnexis.com. 1600 3600 900 2419200 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0