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 a domain name.
Ping a website, server or port..
Get all possible details about an SSL certificate.
Easily convert IDN to Punnycode and back.
Convert your text to any kind of text case, such as lowercase, UPPERCASE, camelCase...etc.