zixmt1.zixworks.com has no NS records.
NS records for this zone are defined at zixworks.com.
NS records for this zone are defined at zixworks.com.
Question and response
Question
dig zixmt1.zixworks.com. NS
Answer
The response has no answer records.
Authority
zixworks.com. 300 SOA ns.zixcorp.com. noc.zixcorp.com. 2026031001 86400 300 604800 300
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0