Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get approximate IP details.
Get all possible details about a domain name.
Ping a website, server or port..
Make sure your passwords are good enough.
Get all possible details about an SSL certificate.
Easily download any YouTube video thumbnail in all the available sizes.
Check if the URL is banned and marked as safe/unsafe by Google.