vega2.optimaitalia.com has no NS records.
NS records for this zone are defined at optimaitalia.com.
NS records for this zone are defined at optimaitalia.com.
Question and response
Question
dig vega2.optimaitalia.com. NS
Answer
The response has no answer records.
Authority
optimaitalia.com. 600 SOA ns1.optimaitalia.com. noc.optimaitalia.com. 1229842183 10800 3600 604800 38400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0