One is to send a fake response to the DNS lookup.

其中一种方法是将伪造的响应发送到DNS 查询。

youdao

There is another case where the reverse DNS lookup is required.

还有另一种情况，其中必须进行反向DNS 搜索。

youdao

There is another case where the reverse DNS lookup is required.

还有另一种情况，其中必须进行反向DNS 搜索。

youdao