ns1.lsi.upc.edu has no NS records.
NS records for this zone are defined at lsi.upc.edu.
NS records for this zone are defined at lsi.upc.edu.
Question and response
Question
dig ns1.lsi.upc.edu. NS
Answer
The response has no answer records.
Authority
lsi.upc.edu. 172800 SOA ns1.ugdsi.upc.edu. root.ugdsi.upc.edu. 2026030400 86400 7200 2592000 172800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0