mx.grandhalycon.com has no NS records.
NS records for this zone are defined at grandhalycon.com.
NS records for this zone are defined at grandhalycon.com.
Question and response
Question
dig mx.grandhalycon.com. NS
Answer
The response has no answer records.
Authority
grandhalycon.com. 3600 SOA dns.grandhalycon.com. hostmaster.grandhalycon.com. 1344656226 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0