After finding the information, it is recommended to keep the screenshot or print it out for emergencies. At the same time, it is also necessary to carefully check whether the certificate information displayed is consistent with the actual situation. If you find errors in some information or cannot query relevant records, you should immediately contact the issuing agency to solve the problem in a timely manner.

1、IP地址（Internet Protocol Address）是互联网上用于识别设备的数字地址。

The fire certificate, which is related to life safety, is naturally the focus of your attention. Online inquiry is not only convenient and fast, but also provides the latest and most accurate information on the license. The following will give you a detailed introduction to how to check the fire certificate online. 1. Pay attention to authoritative official websites The first step is to clarify and visit the official...

3、IP地址通常分为两种类型：IPv4和IPv6。

4、本工具可以查询IP地址的归属地，查询结果仅供参考，不得用于商业用途。