ns6.upf.edu has no NS records.
NS records for this zone are defined at upf.edu.
NS records for this zone are defined at upf.edu.
Question and response
Question
dig ns6.upf.edu. NS
Answer
The response has no answer records.
Authority
upf.edu. 600 SOA ns1.upf.edu. hostmaster.upf.edu. 2024080086 11600 3600 691200 38400
Additional
. 0 OPT ; payload 1024, xrcode 0, version 0, flags 0