Convert liters to gallons (US) with ease.
Convert liters to gallons (imperial) with ease.
Convert gallons (US) to liters with ease.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Check if the URL is cached or not by Google.
Get approximate IP details.
Take an IP and try to look for the domain/host associated with it.
Get all possible details about an SSL certificate.
Get all the HTTP headers that an URL returns for a typical GET request.