Easily convert years to seconds.
Easily convert years to minutes.
Easily convert years to hours.
Easily convert years to days.
Easily convert years to weeks.
Get all the HTTP headers that an URL returns for a typical GET request.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get all possible details about an SSL certificate.
Get approximate IP details.
Ping a website, server or port..
Take an IP and try to look for the domain/host associated with it.