kaischmidt.ca has an AAAA (IPv6) record (2607:fea8:999f:5100::88f) 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 kaischmidt.ca/2607:fea8:999f:5100::88f: Get "http://kaischmidt.ca/.well-known/acme-challenge/letsdebug-test": dial tcp [2607:fea8:999f:5100::88f]:80: i/o timeout
Trace:
@0ms: Making a request to http://kaischmidt.ca/.well-known/acme-challenge/letsdebug-test (using initial IP 2607:fea8:999f:5100::88f)
@0ms: Dialing 2607:fea8:999f:5100::88f
@10001ms: Experienced error: dial tcp [2607:fea8:999f:5100::88f]:80: i/o timeout
Requests made to the domain
Request to: kaischmidt.ca/2607:fea8:999f:5100::88f, Result: [Address=2607:fea8:999f:5100::88f,Address Type=IPv6,Server=,HTTP Status=0], Issue: AAAANotWorking
Trace:
@0ms: Making a request to http://kaischmidt.ca/.well-known/acme-challenge/letsdebug-test (using initial IP 2607:fea8:999f:5100::88f)
@0ms: Dialing 2607:fea8:999f:5100::88f
@10001ms: Experienced error: dial tcp [2607:fea8:999f:5100::88f]:80: i/o timeout
Request to: kaischmidt.ca/99.253.145.20, Result: [Address=99.253.145.20,Address Type=IPv4,Server=Apache/2.4.52 (Ubuntu),HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://kaischmidt.ca/.well-known/acme-challenge/letsdebug-test (using initial IP 99.253.145.20)
@0ms: Dialing 99.253.145.20
@78ms: Server response: HTTP 404 Not Found
A and AAAA records found for this domain
kaischmidt.ca. 0 IN A 99.253.145.20
kaischmidt.ca. 0 IN AAAA 2607:fea8:999f:5100::88f
Challenge update failures for kaischmidt.ca in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/5296895944
acme: error code 403 "urn:ietf:params:acme:error:unauthorized": 99.253.145.20: Invalid response from http://kaischmidt.ca/.well-known/acme-challenge/vleDIyR-o5HhXCmc9rFlaISHMUsaI9HKULm9KcohAKc: 404
The IANA public suffix is the TLD of the Registered Domain
The TLD for kaischmidt.ca is: ca
1 Certificates contributing to rate limits for this domain
Serial: 370558594737926628481065127101446730895683
NotBefore: 2022-11-18 18:05:06 +0000 UTC
Names: [www.kaischmidt.ca]
The current status.io status for Let's Encrypt
Operational