lithium.ab.tac.net has no NS records.
NS records for this zone are defined at ab.tac.net.
NS records for this zone are defined at ab.tac.net.
Question and response
Question
dig lithium.ab.tac.net. NS
Answer
The response has no answer records.
Authority
ab.tac.net. 86400 SOA dns1.cidc.telus.com. support.cidc.telus.com. 2019012901 28800 7200 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0