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 zebibytes (ZiB).
Easily convert bits (bit) to exabits (Ebit).
Easily convert bits (bit) to tebibits (Tibit).
Easily convert years to months.
Easily convert bits (bit) to gibibytes (GiB).