mx1.sap.c3s2.iphmx.com has no NS records.
NS records for this zone are defined at c3s2.iphmx.com.
NS records for this zone are defined at c3s2.iphmx.com.
Question and response
Question
dig mx1.sap.c3s2.iphmx.com. NS
Answer
The response has no answer records.
Authority
c3s2.iphmx.com. 3600 SOA ns1-93.akam.net. stbu-hostmaster\@cisco.com. 1771860234 3600 900 2419200 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0