command line httrack <https://www.merk-echt.nl> -C2 -I -F
Mozilla/4.0+(compatible;+MSIE+6.0;+Windows+NT+5.1;+en)+Opera+8.50 -%s -%u -%A
standard -q -o -p1 -K3 -%q -*jquery* -*login* -*admin* -*/feed* -*/xhtml*
-*/js* -/_* -*/wp-* -/http* -*sitemap* -*/Google* -*page=* -*.gif -*.png
-*.jpg -*.ico -*.pdf -*.zip -*.js -*.css -*.xlsx -*.docx -*.txt -O
C:\inetpub\wwwroot\_DEV\competitors.novagraaf.com\serverscripts\httrack\www.merk-echt.nl

Results in errors:
* Error: 	"error:00000001:lib(0):func(0):reason(1)" (-5) after 2 retries at
link <https://www.merk-echt.nl/robots.txt> (from primary/primary)
* Error: 	"error:00000001:lib(0):func(0):reason(1)" (-5) after 2 retries at
link <https://www.merk-echt.nl/> (from primary/primary)

Nothing is downloaded. At first I thought it might have something to do with
https, but other https site are downloaded properly.