ficus.retn.net has no NS records.
NS records for this zone are defined at retn.net.
NS records for this zone are defined at retn.net.
Question and response
Question
dig ficus.retn.net. NS
Answer
The response has no answer records.
Authority
retn.net. 86400 SOA nsa.retn.net. noc.retn.net. 2026022601 7200 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0