You can use the webmaster's tools to query. Baidu collection time can only query the current collection time of snapshots. If there is a query record, you can find the collection history of the recent website through Baidu. The opening hours of the domain name can be inquired on the domain name registration website, but the opening hours of the space can't be found basically. Under normal circumstances, it should be open at the same time; The filing time is the same as above, and it can also be found directly in the webmaster's tool.