If unspecified, the address of the server will be used as the name.

如果没有指定，服务器地址就会被当作名称来使用。

youdao

The company says quite plainly in a letter sent to cardmembers that it plans to sell or share your name, address, phone number, purchase history, information from surveys, data from your credit report, and unspecified "noncredit information available from public sources" to its affiliates, licensees, subsidiaries, and outside bidders.

CNN: How to fight privacy looters