get_domain_extension    Get domain extension (gTLD or ccTLD) from URL
                        or domain name
get_normal_text         Get Normat Text from a punycode
get_punycode            Get Punycode for domain name
lookup                  Lookup for WHOIS information
lookupAdmin             Lookup for admin information
lookupBilling           Lookup for billing information
lookupNameservers       Lookup for nameservers information
lookupRegistrant        Lookup for registrant information
lookupRegistrar         Lookup for registrar information
lookupTech              Lookup for tech information
lookupWhoisServer       Lookup for whois server information
set_api_key             Set IP2Location.io API key
