gw1.cspire.com has no NS records.
NS records for this zone are defined at cspire.com.
NS records for this zone are defined at cspire.com.
Question and response
Question
dig gw1.cspire.com. NS
Answer
The response has no answer records.
Authority
cspire.com. 1800 SOA alexia.ns.cloudflare.com. dns.cloudflare.com. 2398305430 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0