Take an IP and try to look for the domain/host associated with it.
Get approximate IP details.
Get all possible details about an SSL certificate.
Get all possible details about a domain name.
Ping a website, server or port..
Get the size of a text in bytes (B), Kilobytes (KB) or Megabytes (MB).
Use the Google translator API to generate text to speech audio.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get & verify the meta tags of any website.