Question and response
Question
dig mailproxy7.ent.usda.gov. NSEC
Answer
The response has no answer records.
Authority
ent.usda.gov. 15 SOA ns1.usda.gov. duty\.officer.usda.gov. 1729 90000 9000 90000 15
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0