abi149fh0.jnb1.oracleemaildelivery.com has no NS records.
NS records for this zone are defined at jnb1.oracleemaildelivery.com.
NS records for this zone are defined at jnb1.oracleemaildelivery.com.
Question and response
Question
dig abi149fh0.jnb1.oracleemaildelivery.com. NS
Answer
The response has no answer records.
Authority
jnb1.oracleemaildelivery.com. 300 SOA ns1.p68.dns.oraclecloud.net. hostmaster.jnb1.oracleemaildelivery.com. 691128 3600 600 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0