mx.sympatico.ca has no NS records.
NS records for this zone are defined at sympatico.ca.
NS records for this zone are defined at sympatico.ca.
Question and response
Question
dig mx.sympatico.ca. NS
Answer
The response has no answer records.
Authority
sympatico.ca. 900 SOA mtl02vnszs08.srvr.bell.ca. dns-admin.bellglobal.com. 10003 10800 3600 2419200 900
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0