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Get approximate IP details.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get all possible details about an SSL certificate.
Get all possible details about a domain name.
Ping a website, server or port..
Check whether or not a website is using the Brotli Compression algorithm or not.
Get the web-host of a given website.
Check whether or not a website is using the new HTTP/2 protocol or not.
Get details of any file type, such as the mime type or last edit date.
Make sure your passwords are good enough.