Question and response
Question
dig zts.com. MX
Answer
zts.com. 1799 MX 0 d265015a.ess.barracudanetworks.com.
zts.com. 1799 MX 10 d265015b.ess.barracudanetworks.com.
Authority
zts.com. 1800 NS dns1.registrar-servers.com.
zts.com. 1800 NS dns2.registrar-servers.com.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0