Generate an MD2 hash for any string input.
Generate an MD4 hash for any string input.
Get approximate IP details.
Get all possible details about an SSL certificate.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get all possible details about a domain name.
Ping a website, server or port..
Take an IP and try to look for the domain/host associated with it.