code: function matchesParentDomain(srvAddress, parentDomain) {
    const regex = /^.*?\./;
    const srv = `.${srvAddress.replace(regex, '')}`;
    const parent = `.${parentDomain.replace(regex, '')}`;
    return srv.endsWith(parent);
  }
docs: Determines whether a provided address matches the provided parent domain in order
  to avoid certain attack vectors.
  
  @param {String} srvAddress The address to check against a domain
  @param {String} parentDomain The domain to check the provided address against
  @return {Boolean} Whether the provided address matches the parent domain