dns.tilneutra.com has no NS records.
NS records for this zone are defined at tilneutra.com.
NS records for this zone are defined at tilneutra.com.
Question and response
Question
dig dns.tilneutra.com. NS
Answer
The response has no answer records.
Authority
tilneutra.com. 3600 SOA dns.tilneutra.com. hostmaster.tilneutra.com. 1472116738 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0