ns2.lightedge.com has no CNAME records.
Question and response
Question
dig ns2.lightedge.com. NS
Answer
The response has no answer records.
Authority
lightedge.com. 19 SOA ns1.lightedge.com. hostmaster.lightedge.com. 2026012200 10800 1800 10800 30
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0