ns2.luulshop.com has no NS records.
NS records for this zone are defined at luulshop.com.
NS records for this zone are defined at luulshop.com.
Question and response
Question
dig ns2.luulshop.com. NS
Answer
The response has no answer records.
Authority
luulshop.com. 600 SOA ns1.luulshop.com. hostmaster.luulshop.com. 2603060503 300 300 604800 600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0