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 all possible details about an SSL certificate.
Convert forum type bbcode snippets to raw HTML code.
Ping a website, server or port.
Flip, upside down text with ease.
Convert text to binary and the other way for any string input.