curl: (7) Failed to connect to
www.madgerm.de port 80: Verbindungsaufbau abgelehnt
root@webserver:/home/keyhelp/www/.well-known/acme-challenge# curl --ipv4 -v "
http://www.madgerm.de/.well-know/acme-challenge/hallo"
* Expire in 0 ms for 6 (transfer 0x5629e9efbe20)
* Expire in 1 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 1 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 1 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 1 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 1 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 1 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 1 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 1 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 1 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 1 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 1 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 1 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 1 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 1 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 1 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 1 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 1 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 1 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 1 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 1 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 1 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 1 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 1 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 1 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 1 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 2 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 2 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 2 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 2 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 2 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 2 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 2 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Expire in 0 ms for 1 (transfer 0x5629e9efbe20)
* Trying 176.31.100.108...
* TCP_NODELAY set
* Expire in 200 ms for 4 (transfer 0x5629e9efbe20)
* connect to 176.31.100.108 port 80 failed: Verbindungsaufbau abgelehnt
* Failed to connect to
www.madgerm.de port 80: Verbindungsaufbau abgelehnt
* Closing connection 0
curl: (7) Failed to connect to
www.madgerm.de port 80: Verbindungsaufbau abgelehnt
root@webserver:/home/keyhelp/www/.well-known/acme-challenge#