Make sure your passwords are good enough.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get approximate IP details.
Get all possible details about an SSL certificate.
Check for 301 & 302 redirects of a specific URL. It will check for up to 10 redirects.
Convert text to hexadecimal and the other way for any string input.
Generate deep link mailto with subject, body, cc, bcc & get the HTML code as well.