znc.tachibana.industries has an AAAA (IPv6) record (2001:19f0:6c01:1e1a:5400:1ff:fee5:9a6b) but a test request to this address over port 80 did not succeed. Your web server must have at least one working IPv4 or IPv6 address. You should either ensure that validation requests to this domain succeed over IPv6, or remove its AAAA record.
A timeout was experienced while communicating with znc.tachibana.industries/2001:19f0:6c01:1e1a:5400:1ff:fee5:9a6b: Get http://znc.tachibana.industries/.well-known/acme-challenge/letsdebug-test: context deadline exceeded
Trace:
@0ms: Making a request to http://znc.tachibana.industries/.well-known/acme-challenge/letsdebug-test (using initial IP 2001:19f0:6c01:1e1a:5400:1ff:fee5:9a6b)
@0ms: Dialing 2001:19f0:6c01:1e1a:5400:1ff:fee5:9a6b
@10000ms: Experienced error: context deadline exceeded
znc.tachibana.industries has an A (IPv4) record (104.238.158.135) but a request to this address over port 80 did not succeed. Your web server must have at least one working IPv4 or IPv6 address.
A timeout was experienced while communicating with znc.tachibana.industries/104.238.158.135: Get http://znc.tachibana.industries/.well-known/acme-challenge/letsdebug-test: context deadline exceeded
Trace:
@0ms: Making a request to http://znc.tachibana.industries/.well-known/acme-challenge/letsdebug-test (using initial IP 104.238.158.135)
@0ms: Dialing 104.238.158.135
@10000ms: Experienced error: context deadline exceeded
A test authorization for znc.tachibana.industries to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching http://znc.tachibana.industries/.well-known/acme-challenge/4BKMibAnDOnSIvwdw_XyrHwI5AvP56ucnRrQokmqp_g: Timeout during connect (likely firewall problem)
CAA records control authorization for certificate authorities to issue certificates for a domain
tachibana.industries. 0 IN CAA 0 issue "letsencrypt.org"
Requests made to the domain
Request to: znc.tachibana.industries/2001:19f0:6c01:1e1a:5400:1ff:fee5:9a6b, Result: [Address Type=IPv6,Server=,HTTP Status=0], Issue: AAAANotWorking
Trace:
@0ms: Making a request to http://znc.tachibana.industries/.well-known/acme-challenge/letsdebug-test (using initial IP 2001:19f0:6c01:1e1a:5400:1ff:fee5:9a6b)
@0ms: Dialing 2001:19f0:6c01:1e1a:5400:1ff:fee5:9a6b
@10000ms: Experienced error: context deadline exceeded
Request to: znc.tachibana.industries/104.238.158.135, Result: [Address Type=IPv4,Server=,HTTP Status=0], Issue: ANotWorking
Trace:
@0ms: Making a request to http://znc.tachibana.industries/.well-known/acme-challenge/letsdebug-test (using initial IP 104.238.158.135)
@0ms: Dialing 104.238.158.135
@10000ms: Experienced error: context deadline exceeded
A and AAAA records found for this domain
znc.tachibana.industries. 0 IN A 104.238.158.135
znc.tachibana.industries. 0 IN AAAA 2001:19f0:6c01:1e1a:5400:1ff:fee5:9a6b
Challenge update failures for znc.tachibana.industries in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/23682664
acme: error code 400 "urn:ietf:params:acme:error:connection": Fetching http://znc.tachibana.industries/.well-known/acme-challenge/4BKMibAnDOnSIvwdw_XyrHwI5AvP56ucnRrQokmqp_g: Timeout during connect (likely firewall problem)
The IANA public suffix is the TLD of the Registered Domain
The TLD for znc.tachibana.industries is: industries
1 Certificates contributing to rate limits for this domain
Serial: 303079176149678181446169313393778058291251
NotBefore: 2019-02-16 05:43:07 +0000 UTC
Names: [znc.tachibana.industries]
The current status.io status for Let's Encrypt
Operational