Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get all possible details about an SSL certificate.
Get all possible details about a domain name.
Ping a website, server or port..
Get approximate IP details.
Validate JSON content and make it looks good.
Convert text to binary and the other way for any string input.
Get all the HTTP headers that an URL returns for a typical GET request.