0.28.88.162.phx1.oracleemaildelivery.com has no NS records.
NS records for this zone are defined at phx1.oracleemaildelivery.com.
NS records for this zone are defined at phx1.oracleemaildelivery.com.
Question and response
Question
dig 0.28.88.162.phx1.oracleemaildelivery.com. NS
Answer
The response has no answer records.
Authority
phx1.oracleemaildelivery.com. 1800 SOA ns1.p01.dynect.net. hostmaster.dyndns.com. 747962 3600 600 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0