It can be anything! An apex, subdomain, or even a URL.

Results forwww.tmall.com.danuoyi.tbcache.com

Resolver

Location

A

Name	TTL	Value
www.tmall.com.danuoyi.tbcache.com	60	8.25.82.232Level 3, LLC / Zhejiang Taobao Network Co., Ltd
www.tmall.com.danuoyi.tbcache.com	60	8.25.82.233Level 3, LLC / Zhejiang Taobao Network Co., Ltd

Name	TTL	Value
www.tmall.com.danuoyi.tbcache.com	180	95 1 443 8.25.82.232
www.tmall.com.danuoyi.tbcache.com	180	95 1 443 8.25.82.233
www.tmall.com.danuoyi.tbcache.com	180	96 1 443 8.25.82.232