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.
Use the Google translator API to generate text to speech audio.
Convert text to ascii and the other way for any string input.
Generate a SHA-256 hash for any string input.
Check if the URL is banned and marked as safe/unsafe by Google.
Extract email addresses from any kind of text content.