Get all possible details about an SSL certificate.
Get all the HTTP headers that an URL returns for a typical GET request.
Check whether a website is using the new HTTP/2 protocol or not.
Separate text back and forth by new lines, commas, dots...etc.
Easily convert IDN to Punnycode and back.
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 the size of a text in Bytes (B), Kilobytes (KB) or Megabytes (MB).