dns.blondesat.com has no NS records.
NS records for this zone are defined at blondesat.com.
NS records for this zone are defined at blondesat.com.
Question and response
Question
dig dns.blondesat.com. NS
Answer
The response has no answer records.
Authority
blondesat.com. 3600 SOA dns.blondesat.com. hostmaster.blondesat.com. 1470761133 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0