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