Decode URL input to back to a normal string.
Convert normal text to cursive font type.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get approximate IP details.
Take an IP and try to look for the domain/host associated with it.
Separate text back and forth by new lines, commas, dots...etc.
Extract email addresses from any kind of text content.