bjg211acb0.aga1.oracleemaildelivery.com has no NS records.
NS records for this zone are defined at aga1.oracleemaildelivery.com.
NS records for this zone are defined at aga1.oracleemaildelivery.com.
Question and response
Question
dig bjg211acb0.aga1.oracleemaildelivery.com. NS
Answer
The response has no answer records.
Authority
aga1.oracleemaildelivery.com. 300 SOA ns1.p68.dns.oraclecloud.net. hostmaster.aga1.oracleemaildelivery.com. 469929 3600 600 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0