Generate an MD4 hash for any string input.
Generate an MD5 hash of 32 characters length for any string input.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Ping a website, server or port..
Get approximate IP details.
Get all possible details about a domain name.
Check if the URL is cached or not by Google.
Get the gravatar.com globally recognized avatar for any email.