Failed to connect to testrfc7030.com port 8443: Connection refused

[rynkow]

Hi,
I tried to follow instructions available at http://testrfc7030.com/
Step 2 results in a refused connection to testrfc7030.com:8443

❯ curl http://testrfc7030.com:8443/.well-known/est/cacerts -o cacerts.p7 --cacert ./dstcax3.pem

  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
curl: (7) Failed to connect to testrfc7030.com port 8443 after 293 ms: Connection refused