qq.com MX records

MX Mail server
2h
mx3.qq.com 10 Primary
mx2.qq.com 20
mx1.qq.com 30

Question and response

Question

dig qq.com. MX

Answer

qq.com. 7200 MX 20 mx2.qq.com. qq.com. 7200 MX 30 mx1.qq.com. qq.com. 7200 MX 10 mx3.qq.com.

Authority

qq.com. 86400 NS ns4.qq.com. qq.com. 86400 NS ns1.qq.com. qq.com. 86400 NS ns2.qq.com. qq.com. 86400 NS ns3.qq.com.

Additional

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