A private, inaccessible, IANA/IETF-reserved IP address was found for kaischmidt.ca. Let's Encrypt will always fail HTTP validation for any domain that is pointing to an address that is not routable on the internet. You should either remove this address and replace it with a public one or use the DNS validation method instead.
fe80::10:18ff:fe2b:f7f8
A and AAAA records found for this domain
kaischmidt.ca. 0 IN A 99.253.145.20
kaischmidt.ca. 0 IN AAAA 2607:fea8:9980:21d:8e6a:8dff:fe70:9158
kaischmidt.ca. 0 IN AAAA 2607:f798:804:146:6d7f:e93c:2a67:f161
kaischmidt.ca. 0 IN AAAA fe80::10:18ff:fe2b:f7f8
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