Plesk curl can’t resolve acme v1 api

[Mario ITN]

TITLE:

Plesk curl can’t resolve acme v1 api​

PRODUCT, VERSION, OPERATING SYSTEM, ARCHITECTURE:

Plesk 17.5.3#46 / CentOS 7.5.1804 (Core) / Dedicated server​

PROBLEM DESCRIPTION:

After system automatic updated trying to issue new certificates (or renewing existing ones) will result in a "Could not issue a Let’s Encrypt SSL/TLS certificate for ..." with description "Could not obtain directory: cURL error 6: Could not resolve host: acme-v01.api.letsencrypt.org 2; Name or service not known"

Rebooting the server will solve the issue for good but I opening this ticket for you to investigate and see if at least there is a chance to solve this restarting a service instead of performing a server reboot in case it happens on other machines.

Please see Plesk curl can't resolve acme v1 api for further details.​

STEPS TO REPRODUCE:

try to issue new certificates (or renewing existing ones) via Plesk Let's Encrypt Extension​

ACTUAL RESULT:

Error "Could not issue a Let’s Encrypt SSL/TLS certificate for ..." with description "Could not obtain directory: cURL error 6: Could not resolve host: acme-v01.api.letsencrypt.org 2; Name or service not known"​

EXPECTED RESULT:

New certificate to be issued or existing certificates to be renewed​

ANY ADDITIONAL INFORMATION:

​

YOUR EXPECTATIONS FROM PLESK SERVICE TEAM:

Confirm bug​

 

[IgorG]

Please check solution from this KB article first - cURL error 6: Could not resolve host: example.com: Name or service not known