ubuntu@lp1668771:~$ dpkg -l systemd|grep ii
ii systemd 242-7ubuntu3 amd64 system and service manager
ubuntu@lp1668771:~$ host www.montemar.cl
Host www.montemar.cl not found: 2(SERVFAIL)
check journal log:
Nov 12 18:00:22 lp1668771 systemd-resolved[4084]: Added SERVFAIL cache entry for www.montemar.cl IN A 30s
ubuntu@lp1668771:~$ dpkg -l systemd|grep ii
ii systemd 242-7ubuntu3.2 amd64 system and service manager
ubuntu@lp1668771:~$ grep Cache /etc/systemd/resolved.conf
Cache=no-negative
ubuntu@lp1668771:~$ sudo systemctl restart systemd-resolved
ubuntu@lp1668771:~$ host www.montemar.cl
Host www.montemar.cl not found: 2(SERVFAIL)
check log:
Nov 12 18:07:18 lp1668771 systemd-resolved[17061]: Not caching negative entry for: www.montemar.cl IN A, cache mode set to no-negative
ubuntu@lp1668771:~$ dpkg -l systemd|grep ii
ii systemd 242-7ubuntu3 amd64 system and service manager
ubuntu@lp1668771:~$ host www.montemar.cl
Host www.montemar.cl not found: 2(SERVFAIL)
check journal log: resolved[ 4084]: Added SERVFAIL cache entry for www.montemar.cl IN A 30s
Nov 12 18:00:22 lp1668771 systemd-
ubuntu@lp1668771:~$ dpkg -l systemd|grep ii resolved. conf
ii systemd 242-7ubuntu3.2 amd64 system and service manager
ubuntu@lp1668771:~$ grep Cache /etc/systemd/
Cache=no-negative
ubuntu@lp1668771:~$ sudo systemctl restart systemd-resolved
ubuntu@lp1668771:~$ host www.montemar.cl
Host www.montemar.cl not found: 2(SERVFAIL)
check log: resolved[ 17061]: Not caching negative entry for: www.montemar.cl IN A, cache mode set to no-negative
Nov 12 18:07:18 lp1668771 systemd-