This what i had when i was try to restart pdns
Waiting for “pdns” to start ……info [restartsrv_pdns] systemd failed to start the service “pdns” (The “/usr/bin/systemctl restart pdns.service --no-ask-password” command (process 23719) reported error number 1 when it ended.): Job for pdns.service failed because the control process exited with error code. See "systemctl status pdns.service" and "journalctl -xe" for details.
…Waiting for named,mydns,nsd,pdns_server to shutdown ... not running.
info [restartsrv_pdns] systemd failed to start the service “pdns” (The “/usr/bin/systemctl restart pdns.service --no-ask-password” command (process 23725) reported error number 1 when it ended.): Job for pdns.service failed because the control process exited with error code. See "systemctl status pdns.service" and "journalctl -xe" for details.
…failed.
Cpanel::Exception::Services::StartError
Service Status
undefined status from Cpanel::ServiceManager::Services::Pdns
Service Error
(XID 4udhrc) The “pdns” service failed to start.
Startup Log
Mar 03 04:56:55 server1 systemd[1]: Failed to start PowerDNS Authoritative Server.
Mar 03 04:56:55 server1 systemd[1]: Unit pdns.service entered failed state.
Mar 03 04:56:55 server1 systemd[1]: pdns.service failed.
pdns has failed. Contact your system administrator if the service does not automagically recover