aib29agh0.zrh1.oracleemaildelivery.com has no NS records.
NS records for this zone are defined at zrh1.oracleemaildelivery.com.
NS records for this zone are defined at zrh1.oracleemaildelivery.com.
Question and response
Question
dig aib29agh0.zrh1.oracleemaildelivery.com. NS
Answer
The response has no answer records.
Authority
zrh1.oracleemaildelivery.com. 300 SOA ns1.p68.dns.oraclecloud.net. hostmaster.zrh1.oracleemaildelivery.com. 739051 3600 600 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0