incoming.csail.mit.edu NS records

NS Authoritative DNS server
15m
incoming.csail.mit.edu has no NS records.
NS records for this zone are defined at csail.mit.edu.
trace incoming.csail.mit.edu NS records for csail.mit.edu

Question and response

Question

dig incoming.csail.mit.edu. NS

Answer

The response has no answer records.

Authority

csail.mit.edu. 900 SOA auth-ns0.csail.mit.edu. bug-domain.csail.mit.edu. 253612391 1800 300 604800 900

Additional

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