04:46:17 0 ✓ zhuyifei1999@tools-k8s-master-01: ~$ cat /etc/resolv.conf
## THIS FILE IS MANAGED BY PUPPET
##
## source: modules/base/resolv.conf.labs.erb
## from:   base::resolving

domain tools.eqiad.wmflabs
search tools.eqiad.wmflabs eqiad.wmflabs 
nameserver 208.80.155.118
nameserver 208.80.154.20
options timeout:2 ndots:2
root@tools-worker-1005:~# cat /etc/resolv.conf 
domain .eqiad.wmflabs
search .eqiad.wmflabs eqiad.wmflabs
nameserver ;; connection timed out; no servers could be reached
options timeout:5 ndots:2