Let's Debug

Test result for t42.dyndns.org using tls-alpn-01

LetsEncryptStaging
Debug
Challenge update failures for t42.dyndns.org in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/5068569264
acme: error code 403 "urn:ietf:params:acme:error:unauthorized": Cannot negotiate ALPN protocol "acme-tls/1" for tls-alpn-01 challenge
PublicSuffix
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for t42.dyndns.org is: org
StatusIO
Debug
The current status.io status for Let's Encrypt
Operational

Submitted Nov 8 11:12:31 2022. Sat in queue for 2ms. Completed in 7s. Hide verbose information.