1 ip滥用报告
https://www.abuseipdb.com/check/

2 ip下过bt没
https://iknowwhatyoudownload.com/

3 ip以前有哪些网站
https://site.ip138.com/

4 查询网站长啥样
https://web.archive.org/
https://archive.md/

5 查询网站以前解析的ip
https://viewdns.info/iphistory/?domain