fw01.lightningwirelabs.com has no NS records.
NS records for this zone are defined at lightningwirelabs.com.
NS records for this zone are defined at lightningwirelabs.com.
Question and response
Question
dig fw01.lightningwirelabs.com. NS
Answer
The response has no answer records.
Authority
lightningwirelabs.com. 600 SOA master.lwldns.net. hostmaster\@lightningwirelabs.com. 2026025536 10800 1800 604800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0