ns3.entriso.com has no NS records.
NS records for this zone are defined at entriso.com.
NS records for this zone are defined at entriso.com.
Question and response
Question
dig ns3.entriso.com. NS
Answer
The response has no answer records.
Authority
entriso.com. 1800 SOA noel.ns.cloudflare.com. dns.cloudflare.com. 2398011005 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0