During installation it seems that for each package being installed this is occurring:
Downloading dovecot.boot.debian...
URL transformed to HTTPS due to an HSTS policy
--2019-09-24 20:04:27-- https://files-de.directadmin.com/services/custombuild/dovecot.boot.debian
Resolving files-de.directadmin.com (files-de.directadmin.com)... 2a01:4f8:10a:6db::4, 46.4.143.169
Connecting to files-de.directadmin.com (files-de.directadmin.com)|2a01:4f8:10a:6db::4|:443... failed: Connection timed out.
Connecting to files-de.directadmin.com (files-de.directadmin.com)|46.4.143.169|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 1369 (1.3K) [application/octet-stream]
Saving to: '/usr/local/directadmin/custombuild/dovecot.boot.debian'
/usr/local/directad 100%[===================>] 1.34K --.-KB/s in 0.001s
Is this normal??
Downloading dovecot.boot.debian...
URL transformed to HTTPS due to an HSTS policy
--2019-09-24 20:04:27-- https://files-de.directadmin.com/services/custombuild/dovecot.boot.debian
Resolving files-de.directadmin.com (files-de.directadmin.com)... 2a01:4f8:10a:6db::4, 46.4.143.169
Connecting to files-de.directadmin.com (files-de.directadmin.com)|2a01:4f8:10a:6db::4|:443... failed: Connection timed out.
Connecting to files-de.directadmin.com (files-de.directadmin.com)|46.4.143.169|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 1369 (1.3K) [application/octet-stream]
Saving to: '/usr/local/directadmin/custombuild/dovecot.boot.debian'
/usr/local/directad 100%[===================>] 1.34K --.-KB/s in 0.001s
Is this normal??