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.
Get all possible details about a domain name.
Ping a website, server or port..
Separate text back and forth by new lines, commas, dots...etc.
Get all the HTTP headers that an URL returns for a typical GET request.
Check for 301 & 302 redirects of a specific URL. It will check for up to 10 redirects.
Compress and optimize images for a smaller image size but still high quality.