ns3.upc.biz has no NS records.
NS records for this zone are defined at upc.biz.
NS records for this zone are defined at upc.biz.
Question and response
Question
dig ns3.upc.biz. NS
Answer
The response has no answer records.
Authority
upc.biz. 1 SOA ns1.upc.biz. domainadmin.libertyglobal.com. 2026032602 86400 7200 2592000 1
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0