就是把您注册的域名指向IP根目录或其它域名，即多个域名共用一个IP地址或空间。
这类攻击可以将有效域名指向攻击者地址。
Such an attack can point valid domain names at attacker addresses.
你可以随时将无限的域名指向我们。
You can have an unlimited number of domains pointing to us at any time.
另一个想法是：为什么不注册一个DNS入口，让它将新的域名指向现有的服务器？
Another idea was floated: Why not register a DNS entry that pointed the new domain name to the existing server?
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