Generate an MD2 hash for any string input.
Generate an MD4 hash for any string input.
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.
Make sure your passwords are good enough.
Get the web-host of a given website.
Get & verify the meta tags of any website.