adg154cb0.iad1.oracleemaildelivery.com has no NS records.
NS records for this zone are defined at iad1.oracleemaildelivery.com.
NS records for this zone are defined at iad1.oracleemaildelivery.com.
Question and response
Question
dig adg154cb0.iad1.oracleemaildelivery.com. NS
Answer
The response has no answer records.
Authority
iad1.oracleemaildelivery.com. 1800 SOA ns1.p01.dynect.net. hostmaster.dyndns.com. 768620 3600 600 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0