host128.b2.trdns.com has no NS records.
NS records for this zone are defined at trdns.com.
NS records for this zone are defined at trdns.com.
Question and response
Question
dig host128.b2.trdns.com. NS
Answer
The response has no answer records.
Authority
trdns.com. 86400 SOA ns11.trdns.com. dns.trdns.com. 2026031900 28800 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0