www.3dvision.org.uk has an AAAA (IPv6) record (2001:8d8:9b0:e800::ae:987c) 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.
Get http://www.3dvision.org.uk/.well-known/acme-challenge/letsdebug-test: dial tcp [2001:8d8:9b0:e800::ae:987c]:80: connect: permission denied
Trace:
@0ms: Making a request to http://www.3dvision.org.uk/.well-known/acme-challenge/letsdebug-test (using initial IP 2001:8d8:9b0:e800::ae:987c)
@0ms: Dialing 2001:8d8:9b0:e800::ae:987c
@86ms: Experienced error: dial tcp [2001:8d8:9b0:e800::ae:987c]:80: connect: permission denied
Requests made to the domain
Request to: www.3dvision.org.uk/2001:8d8:9b0:e800::ae:987c, Result: [Address Type=IPv6,Server=,HTTP Status=0], Issue: AAAANotWorking
Trace:
@0ms: Making a request to http://www.3dvision.org.uk/.well-known/acme-challenge/letsdebug-test (using initial IP 2001:8d8:9b0:e800::ae:987c)
@0ms: Dialing 2001:8d8:9b0:e800::ae:987c
@86ms: Experienced error: dial tcp [2001:8d8:9b0:e800::ae:987c]:80: connect: permission denied
Request to: www.3dvision.org.uk/217.160.109.114, Result: [Address Type=IPv4,Server=nginx,HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://www.3dvision.org.uk/.well-known/acme-challenge/letsdebug-test (using initial IP 217.160.109.114)
@0ms: Dialing 217.160.109.114
@174ms: Server response: HTTP 404 Not Found
A and AAAA records found for this domain
www.3dvision.org.uk. 0 IN A 217.160.109.114
www.3dvision.org.uk. 0 IN AAAA 2001:8d8:9b0:e800::ae:987c
Challenge update failures for www.3dvision.org.uk in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/29693840
acme: error code 403 "urn:ietf:params:acme:error:unauthorized": Invalid response from http://www.3dvision.org.uk/.well-known/acme-challenge/QlE4d3OGUv0GuLrev9oLa4iT4fxp7p7igtocVJ53ms8 [217.160.109.114]: "<html>\r\n<head><title>404 Not Found</title></head>\r\n<body bgcolor=\"white\">\r\n<center><h1>404 Not Found</h1></center>\r\n<hr><center>"
The IANA public suffix is the TLD of the Registered Domain
The TLD for www.3dvision.org.uk is: org.uk
The current status.io status for Let's Encrypt
Operational