_etbulk.etisalat.ae has no NS records.
NS records for this zone are defined at etisalat.ae.
NS records for this zone are defined at etisalat.ae.
Question and response
Question
dig _etbulk.etisalat.ae. NS
Answer
The response has no answer records.
Authority
etisalat.ae. 900 SOA a2e-ib-dns-gm.etisalat.ae. send.mail.2.dns.at.ies.etisalat.ae. 2021065580 10800 3600 2419200 900
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0