code: public boolean isValidLocalTld(String lTld) {
          final String key = chompLeadingDot(unicodeToASCII(lTld).toLowerCase(Locale.ENGLISH));
          return arrayContains(LOCAL_TLDS, key);
      }
docs: Returns true if the specified <code>String</code> matches any
  widely used "local" domains (localhost or localdomain). Leading dots are
  ignored if present. The search is case-insensitive.
  @param lTld the parameter to check for local TLD status, not null
  @return true if the parameter is an local TLD