public static boolean isDomain(String url) {
        String host = getDomain(url);
        if (StringUtils.isEmpty(host)) {
            return false;
        } else {
            return !isIp(host);
        }
    }
bolt://taobao.com:80?a=b   true
taobao.com:80?a=b          true

@param url
@return
registry/registry-local/src/main/java/com/alipay/sofa/rpc/registry/local/DomainRegistryHelper.java