vs-prod-exch2013-04.exchange.cornell.edu NS records

NS Authoritative DNS server
0s
vs-prod-exch2013-04.exchange.cornell.edu has no NS records.
NS records for this zone are defined at exchange.cornell.edu.
trace vs-prod-exch2013-04.exchange.cornell.edu NS records for exchange.cornell.edu

Question and response

Question

dig vs-prod-exch2013-04.exchange.cornell.edu. NS

Answer

The response has no answer records.

Authority

The response has no authority records.

Additional

. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0