Anyone can help why the renewal was failed :

Cert is due for renewal, auto-renewing…
Plugins selected: Authenticator apache, Installer apache
Attempting to renew cert (tbina.com) from /etc/letsencrypt/renewal/tbina.com.conf produced an unexpected error: HTTPSConnectionPool(host=‘acme-staging-v02.api.letsencrypt.org’, port=443): Max retries exceeded with url: /directory (Caused by NewConnectionError(’<urllib3.connection.VerifiedHTTPSConnection object at 0x7ff9cae9a518>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution’,)). Skipping.
All renewal attempts failed. The following certs could not be renewed:
/etc/letsencrypt/live/tbina.com/fullchain.pem (failure)

Thanks for anyone who try to help