Easily convert days to seconds.
Easily convert days to minutes.
Easily convert days to hours.
Easily convert days to weeks.
Easily convert days to months.
Extract email addresses from any kind of text content.
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.
Take an IP and try to look for the domain/host associated with it.
Get all possible details about a domain name.
Get approximate IP details.