mx.talonrow.com has no NS records.
NS records for this zone are defined at talonrow.com.
NS records for this zone are defined at talonrow.com.
Question and response
Question
dig mx.talonrow.com. NS
Answer
The response has no answer records.
Authority
talonrow.com. 3600 SOA dns.talonrow.com. hostmaster.talonrow.com. 1292008405 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0