mail2.corp.shaw.ca has no NS records.
NS records for this zone are defined at corp.shaw.ca.
NS records for this zone are defined at corp.shaw.ca.
Question and response
Question
dig mail2.corp.shaw.ca. NS
Answer
The response has no answer records.
Authority
corp.shaw.ca. 600 SOA ns7.no.cg.shawcable.net. dnsadmin.shaw.ca. 8 10800 3600 604800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0