Unable to renew the cert using certbot renew command

Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g. crt.sh | example.com), so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.

My domain is: emishosting.ppldev.uk

I ran this command:sudo certbot renew

It produced this output: Cert is due for renewal, auto-renewing...
Plugins selected: Authenticator standalone, Installer None
Attempting to renew cert (webproxy.tet-rxcon-01.devtest.emishosting.ppldev.uk) from /etc/letsencrypt/renewal/webproxy.tet-rxcon-01.devtest.emishosting.ppldev.uk.conf produced an unexpected error: HTTPSConnectionPool(host='acme-v02.api.letsencrypt.org', port=443): Max retries exceeded with url: /directory (Caused by NewConnectionError('<urllib3.connection.VerifiedHTTPSConnection object at 0x7f68cf013320>: 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/webproxy.tet-rxcon-01.devtest.emishosting.ppldev.uk/fullchain.pem (failure)

My web server is (include version):

The operating system my web server runs on is (include version):
Linux (ubuntu 18.04)

I can login to a root shell on my machine (yes or no, or I don't know):yes

I'm using a control panel to manage my site (no, or provide the name and version of the control panel):

Your DNS seems to be malfunctioning, please fix your DNS and try again.

Note that your Certbot version is rather ancient, please also update to a recent version.


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