Web-based validation failed : Failed to request certificate :

Can you help me with this problem that I have when installing Let’s Encrypt certificates.

Requesting a certificate for cccloud.cl, www.cccloud.cl, mail.cccloud.cl, admin.cccloud.cl, webmail.cccloud.cl, autoconfig.cccloud.cl, autodiscover.cccloud.cl from Let’s Encrypt …
… request failed : Web-based validation failed : Failed to request certificate :

Traceback (most recent call last):
File “/usr/libexec/webmin/webmin/acme_tiny.py”, line 198, in
main(sys.argv[1:])
File “/usr/libexec/webmin/webmin/acme_tiny.py”, line 194, in main
signed_crt = get_crt(args.account_key, args.csr, args.acme_dir, log=LOGGER, CA=args.ca, disable_check=args.disable_check, directory_url=args.directory_url, contact=args.contact)
File “/usr/libexec/webmin/webmin/acme_tiny.py”, line 149, in get_crt
raise ValueError(“Challenge did not pass for {0}: {1}”.format(domain, authorization))
ValueError: Challenge did not pass for admin.cccloud.cl: {u’status’: u’invalid’, u’challenges’: [{u’status’: u’invalid’, u’url’: u’https://acme-v02.api.letsencrypt.org/acme/chall-v3/5982043971/vf4TyQ’, u’token’: u’iMUpGIjDBABcN7oBV_9t153FDkWnpABvt7FNaRqY0IE’, u’type’: u’http-01’, u’error’: {u’status’: 400, u’type’: u’urn:ietf:params:acme:error:dns’, u’detail’: u’DNS problem: NXDOMAIN looking up A for admin.cccloud.cl - check that a DNS record exists for this domain’}}], u’identifier’: {u’type’: u’dns’, u’value’: u’admin.cccloud.cl’}, u’expires’: u’2020-07-26T19:28:24Z’}

, DNS-based validation failed : Only the offical Let’s Encrypt client supports DNS-based validation

Check if DNS records for this exist, are correct and are resolving.

[admin] A - IPv4 Address 45.56.118.163
This is how it is found in DNS Records

Keep giving error when creating account

Requesting a certificate for cccloud.cl, www.cccloud.cl, mail.cccloud.cl, admin.cccloud.cl, webmail.cccloud.cl, autoconfig.cccloud.cl, autodiscover.cccloud.cl from Let’s Encrypt …
… request failed : Web-based validation failed : Failed to request certificate :

Traceback (most recent call last):
File “/usr/libexec/webmin/webmin/acme_tiny.py”, line 198, in
main(sys.argv[1:])
File “/usr/libexec/webmin/webmin/acme_tiny.py”, line 194, in main
signed_crt = get_crt(args.account_key, args.csr, args.acme_dir, log=LOGGER, CA=args.ca, disable_check=args.disable_check, directory_url=args.directory_url, contact=args.contact)
File “/usr/libexec/webmin/webmin/acme_tiny.py”, line 149, in get_crt
raise ValueError(“Challenge did not pass for {0}: {1}”.format(domain, authorization))
ValueError: Challenge did not pass for autoconfig.cccloud.cl: {u’status’: u’invalid’, u’challenges’: [{u’status’: u’invalid’, u’url’: u’https://acme-v02.api.letsencrypt.org/acme/chall-v3/5999007691/gFFPCA’, u’token’: u’5eUK4NPQbkBbI1S3i-7EwvW2JnqkhZWTRdYy8e7L-PI’, u’type’: u’http-01’, u’error’: {u’status’: 400, u’type’: u’urn:ietf:params:acme:error:dns’, u’detail’: u"DNS problem: SERVFAIL looking up A for autoconfig.cccloud.cl - the domain’s nameservers may be malfunctioning"}}], u’identifier’: {u’type’: u’dns’, u’value’: u’autoconfig.cccloud.cl’}, u’expires’: u’2020-07-27T14:46:10Z’}

, DNS-based validation failed : Only the offical Let’s Encrypt client supports DNS-based validation