#status
  should: %s == :available

#available?
  should: %s == true

#registered?
  should: %s == false


#created_on
  should: %s raise_error(Whois::PropertyNotSupported)

#expires_on
  should: %s raise_error(Whois::PropertyNotSupported)


#nameservers
  should: %s be_a(Array)
  should: %s == []