www.tower.ca has no NS records.
NS records for this zone are defined at tower.ca.
NS records for this zone are defined at tower.ca.
Question and response
Question
dig www.tower.ca. NS
Answer
The response has no answer records.
Authority
tower.ca. 300 SOA ns1.linuxmagic.com. hostmaster.wizard.ca. 2005041216 86400 3600 3600000 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0