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 approximate IP details.
Get all possible details about an SSL certificate.
Get all possible details about a domain name.
Get the gravatar.com globally recognized avatar for any email.
Encode any string input to Base64.
Decode Base64 input to back to string.
Convert text to ascii and the other way for any string input.
Convert text to binary and the other way for any string input.