File mime type checker

Additional page content: Editable from the admin panel -> languages -> choose or create language -> translate app page.

Popular tools

Ping a website, server or port.

Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.

Take an IP and try to look for the domain/host associated with it.

Get approximate IP details.

Get all the HTTP headers that an URL returns for a typical GET request.

Check if the URL is banned and marked as safe/unsafe by Google.