mx.rogerrigids.com has no NS records.
NS records for this zone are defined at rogerrigids.com.
NS records for this zone are defined at rogerrigids.com.
Question and response
Question
dig mx.rogerrigids.com. NS
Answer
The response has no answer records.
Authority
rogerrigids.com. 3600 SOA dns.rogerrigids.com. hostmaster.rogerrigids.com. 1317466137 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0