zypher.synology.me has an A (IPv4) record (202.53.39.36) 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 zypher.synology.me/202.53.39.36: Get "http://zypher.synology.me/.well-known/acme-challenge/letsdebug-test": dial tcp 202.53.39.36:80: i/o timeout
Trace:
@0ms: Making a request to http://zypher.synology.me/.well-known/acme-challenge/letsdebug-test (using initial IP 202.53.39.36)
@0ms: Dialing 202.53.39.36
@10000ms: Experienced error: dial tcp 202.53.39.36:80: i/o timeout
A test authorization for zypher.synology.me to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching http://zypher.synology.me/.well-known/acme-challenge/CcK5RnvfQJfzoWCKWE_MHsJyXqTlmd7qrwG_5h1EMRI: Timeout during connect (likely firewall problem)
The current status as reported by the Let's Encrypt status page is Service Disruption as at 2021-04-18 20:35:12.253 +0000 UTC. Depending on the reported problem, this may affect certificate issuance. For more information, please visit the status page.
https://letsencrypt.status.io/
Requests made to the domain
Request to: zypher.synology.me/202.53.39.36, Result: [Address=202.53.39.36,Address Type=IPv4,Server=,HTTP Status=0], Issue: ANotWorking
Trace:
@0ms: Making a request to http://zypher.synology.me/.well-known/acme-challenge/letsdebug-test (using initial IP 202.53.39.36)
@0ms: Dialing 202.53.39.36
@10000ms: Experienced error: dial tcp 202.53.39.36:80: i/o timeout
A and AAAA records found for this domain
zypher.synology.me. 0 IN A 202.53.39.36
Challenge update failures for zypher.synology.me in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/34694290
acme: error code 400 "urn:ietf:params:acme:error:connection": Fetching http://zypher.synology.me/.well-known/acme-challenge/CcK5RnvfQJfzoWCKWE_MHsJyXqTlmd7qrwG_5h1EMRI: Timeout during connect (likely firewall problem)
The IANA public suffix is the TLD of the Registered Domain
The TLD for zypher.synology.me is: me
1 Certificates contributing to rate limits for this domain
Serial: 277864761227611633189151188784274065434970
NotBefore: 2021-04-12 23:36:38 +0000 UTC
Names: [zypher.synology.me]
The current status.io status for Let's Encrypt
Service Disruption