cURL error 6: Could not resolve host: yourdomain.com

Sorry,

but anybody can help me?! 3 days, search in google, nothing. Search in this community. nothing.

Ubuntu 16.04.5 LTS (GNU/Linux 4.4.0-133-generic x86_64)

NGINX (1.10.3):

PHP (5.6.37-1):

expose_php Off
memory_limit 128M
post_max_size 100M
upload_max_filesize 100M
max_execution_time 300

Information about www.conf
ping.path /ping
pm.status_path /status
process_manager ondemand
pm.max_requests 500
pm.max_children 100
pm.start_servers 20
pm.min_spare_servers 10
pm.max_spare_servers 30
request_terminate_timeout 300
xdebug.profiler_enable_trigger off
listen 127.0.0.1:9000

Information about debug.conf
ping.path /ping
pm.status_path /status
process_manager ondemand
pm.max_requests 500
pm.max_children 100
pm.start_servers 20
pm.min_spare_servers 10
pm.max_spare_servers 30
request_terminate_timeout 300
xdebug.profiler_enable_trigger on
listen 127.0.0.1:9001

MySQL (10.1.35-MariaDB) on localhost:

port 3306
wait_timeout 600
interactive_timeout 28800
max_used_connections 10
datadir /var/lib/mysql/
socket /var/run/mysqld/mysqld.sock
my.cnf [PATH] /etc/mysql/conf.d/my.cnf

Some issue in let’s encrypt?

thank you

If you happen to think of telling us what’s the domain, perhaps we can check if DNSs are correctly set up for it. Perhaps.