Easily convert hours to seconds.
Easily convert hours to days.
Easily convert hours to weeks.
Easily convert hours to months.
Easily convert hours to years.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get the gravatar.com globally recognized avatar for any email.
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.