zixworks.com NS records

NS Authoritative DNS server
5m
ns01.zixcorp.com
ns02.zixcorp.com
ns03.zixcorp.com

Question and response

Question

dig zixworks.com. NS

Answer

zixworks.com. 300 NS ns03.zixcorp.com. zixworks.com. 300 NS ns01.zixcorp.com. zixworks.com. 300 NS ns02.zixcorp.com.

Authority

The response has no authority records.

Additional

. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0