fo-us-lvs.netmng.com has no NS records.
NS records for this zone are defined at netmng.com.
NS records for this zone are defined at netmng.com.
Question and response
Question
dig fo-us-lvs.netmng.com. NS
Answer
The response has no answer records.
Authority
netmng.com. 300 SOA infoblox1.bo3.e-dialog.com. hostmaster.ignitionone.com. 2017083171 3600 600 604800 300
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0