ns2.vds.sh has no NS records.
NS records for this zone are defined at vds.sh.
NS records for this zone are defined at vds.sh.
Question and response
Question
dig ns2.vds.sh. NS
Answer
The response has no answer records.
Authority
vds.sh. 10 SOA ns1.skystark.net. support.skystark.net. 1772797503 300 60 3600 10
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0