mtl02vnszs12.dsl.bell.ca has no NS records.
NS records for this zone are defined at dsl.bell.ca.
NS records for this zone are defined at dsl.bell.ca.
Question and response
Question
dig mtl02vnszs12.dsl.bell.ca. NS
Answer
The response has no answer records.
Authority
dsl.bell.ca. 900 SOA mtl02vnszs11.dsl.bell.ca. dns-admin.bellglobal.com. 87761 10800 3600 2419200 900
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0