dns1.seanet.com has no NS records.
NS records for this zone are defined at seanet.com.
NS records for this zone are defined at seanet.com.
Question and response
Question
dig dns1.seanet.com. NS
Answer
The response has no answer records.
Authority
seanet.com. 86400 SOA dns1.seanet.com. dns-admin.seanet.com. 2026021801 1800 900 3600000 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0