static getPseudoTld(hostname) {
    const tlds = hostname.split('.').slice(-2);

    if (!listOfTlds.includes(tlds[0])) {
      return `.${tlds[tlds.length - 1]}`;
    }

    return `.${tlds.join('.')}`;
  }
Gets the tld of a domain
This function is used only while rendering pre-10.0 LHRs.

@param {string} hostname
@return {string} tld