mta001.upsales.com has no NS records.
NS records for this zone are defined at upsales.com.
NS records for this zone are defined at upsales.com.
Question and response
Question
dig mta001.upsales.com. NS
Answer
The response has no answer records.
Authority
upsales.com. 86400 SOA ns1.eurodns.com. hostmaster.eurodns.com. 2026031301 86400 7200 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0