Easily convert months to seconds.
Easily convert months to minutes.
Easily convert months to hours.
Easily convert months to days.
Easily convert months to years.
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.
Get the web-host of a given website.
Take an IP and try to look for the domain/host associated with it.
Make sure your passwords are good enough.