Whois Lookup

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

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

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

Get approximate IP details.

Ping a website, server or port.

Check if the URL is cached or not by Google.