ns2.crovanto.com has no NS records.
NS records for this zone are defined at crovanto.com.
NS records for this zone are defined at crovanto.com.
Question and response
Question
dig ns2.crovanto.com. NS
Answer
The response has no answer records.
Authority
crovanto.com. 1800 SOA dana.ns.cloudflare.com. dns.cloudflare.com. 2398733223 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0