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 all possible details about an SSL certificate.
Get all possible details about a domain name.
Ping a website, server or port..
Easily convert bits (bit) to zettabits (Zbit).
Easily convert bits (bit) to exabits (Ebit).
Convert a particular date to the unix timestamp format.
Easily convert bits (bit) to zebibytes (ZiB).
Easily convert bits (bit) to tebibits (Tibit).
Easily convert years to months.