Extracts the TLD(Top Level Domain) from domain.TLD info from https://publicsuffix.org
CL-USER> (ql:quickload "cl-tld")
("cl-tld")
CL-USER> (cl-tld:get-tld "www.shellcodes.org")
"org"
CL-USER> (cl-tld:get-domain-suffix "www.shellcodes.org")
"shellcodes.org"