mail.blix.com has no NS records.
NS records for this zone are defined at blix.com.
NS records for this zone are defined at blix.com.
Question and response
Question
dig mail.blix.com. NS
Answer
The response has no answer records.
Authority
blix.com. 60 SOA ns1.blix.com. blix.com. 2026022403 28800 7200 604800 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0