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 approximate IP details.
Get all possible details about a domain name.
Ping a website, server or port..
Get details of any file type, such as the mime type or last edit date.
Get the gravatar.com globally recognized avatar for any email.
Easily generate your own custom signature and download it with ease.
Use the Google translator API to generate text to speech audio.