measurement.vps.wbsprt.com has no NS records.
NS records for this zone are defined at wbsprt.com.
NS records for this zone are defined at wbsprt.com.
Question and response
Question
dig measurement.vps.wbsprt.com. NS
Answer
The response has no answer records.
Authority
wbsprt.com. 2560 SOA ns1.websupport.sk. admin.websupport.sk. 1773708842 7200 2048 1048576 2560
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0