netstat -lnp | grep 53
Below the result
~# netstat -lnp | grep 53
Code:
tcp 0 0 91.121.45.207:53 0.0.0.0:* LISTEN 2908/named
tcp 0 0 91.121.37.27:53 0.0.0.0:* LISTEN 2908/named
tcp 0 0 87.98.175.227:53 0.0.0.0:* LISTEN 2908/named
tcp 0 0 87.98.170.230:53 0.0.0.0:* LISTEN 2908/named
tcp 0 0 87.98.169.140:53 0.0.0.0:* LISTEN 2908/named
tcp 0 0 87.98.169.132:53 0.0.0.0:* LISTEN 2908/named
tcp 0 0 87.98.160.153:53 0.0.0.0:* LISTEN 2908/named
tcp 0 0 51.38.250.175:53 0.0.0.0:* LISTEN 2908/named
tcp 0 0 51.38.215.47:53 0.0.0.0:* LISTEN 2908/named
tcp 0 0 51.38.215.43:53 0.0.0.0:* LISTEN 2908/named
tcp 0 0 51.68.71.112:53 0.0.0.0:* LISTEN 2908/named
tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN 2908/named
tcp 0 0 127.0.0.1:953 0.0.0.0:* LISTEN 2908/named
tcp6 0 0 :::53 :::* LISTEN 2908/named
tcp6 0 0 ::1:953 :::* LISTEN 2908/named
udp 0 0 87.98.160.153:123 0.0.0.0:* 441/ntpd
udp 0 0 91.121.45.207:53 0.0.0.0:* 2908/named
udp 0 0 91.121.37.27:53 0.0.0.0:* 2908/named
udp 0 0 87.98.175.227:53 0.0.0.0:* 2908/named
udp 0 0 87.98.170.230:53 0.0.0.0:* 2908/named
udp 0 0 87.98.169.140:53 0.0.0.0:* 2908/named
udp 0 0 87.98.169.132:53 0.0.0.0:* 2908/named
udp 0 0 87.98.160.153:53 0.0.0.0:* 2908/named
udp 0 0 51.38.250.175:53 0.0.0.0:* 2908/named
udp 0 0 51.38.215.47:53 0.0.0.0:* 2908/named
udp 0 0 51.38.215.43:53 0.0.0.0:* 2908/named
udp 0 0 51.68.71.112:53 0.0.0.0:* 2908/named
udp 0 0 127.0.0.1:53 0.0.0.0:* 2908/named
udp6 0 0 :::53 :::* 2908/named
unix 2 [ ACC ] STREAM LISTENING 531755 439/dovecot /var/run/dovecot/stats-reader
unix 2 [ ACC ] STREAM LISTENING 531757 439/dovecot /var/run/dovecot/stats-writer
unix 2 [ ACC ] STREAM LISTENING 531759 439/dovecot /var/run/dovecot/replicator
unix 2 [ ACC ] STREAM LISTENING 531761 439/dovecot /var/run/dovecot/replication-notify
unix 2 [ ACC ] STREAM LISTENING 531764 439/dovecot /var/run/dovecot/login/pop3
unix 2 [ ACC ] STREAM LISTENING 531766 439/dovecot /var/run/dovecot/old-stats
unix 2 [ ACC ] STREAM LISTENING 531770 439/dovecot /var/run/dovecot/log-errors
unix 2 [ ACC ] STREAM LISTENING 531772 439/dovecot /var/run/dovecot/lmtp
unix 2 [ ACC ] STREAM LISTENING 531774 439/dovecot /var/run/dovecot/lmtp-client
unix 2 [ ACC ] STREAM LISTENING 531776 439/dovecot /var/run/dovecot/ipc
unix 2 [ ACC ] STREAM LISTENING 531778 439/dovecot /var/run/dovecot/login/ipc-proxy
unix 2 [ ACC ] STREAM LISTENING 531780 439/dovecot /var/run/dovecot/indexer-worker
unix 2 [ ACC ] STREAM LISTENING 531782 439/dovecot /var/run/dovecot/indexer
unix 2 [ ACC ] STREAM LISTENING 531784 439/dovecot /var/run/dovecot/login/imap
unix 2 [ ACC ] STREAM LISTENING 531786 439/dovecot /var/run/dovecot/imap-master
unix 2 [ ACC ] STREAM LISTENING 531788 439/dovecot /var/run/dovecot/imap-urlauth-worker
unix 2 [ ACC ] STREAM LISTENING 531790 439/dovecot /var/run/dovecot/token-login/imap-urlauth
unix 2 [ ACC ] STREAM LISTENING 531792 439/dovecot /var/run/dovecot/imap-urlauth
unix 2 [ ACC ] STREAM LISTENING 531794 439/dovecot /var/run/dovecot/imap-hibernate
unix 2 [ ACC ] STREAM LISTENING 531796 439/dovecot /var/run/dovecot/doveadm-server
unix 2 [ ACC ] STREAM LISTENING 531798 439/dovecot /var/run/dovecot/dns-client
unix 2 [ ACC ] STREAM LISTENING 531800 439/dovecot /var/run/dovecot/login/dns-client
unix 2 [ ACC ] STREAM LISTENING 531802 439/dovecot /var/run/dovecot/director-admin
unix 2 [ ACC ] STREAM LISTENING 531804 439/dovecot /var/run/dovecot/dict
unix 2 [ ACC ] STREAM LISTENING 531806 439/dovecot /var/run/dovecot/dict-async
unix 2 [ ACC ] STREAM LISTENING 531808 439/dovecot /var/run/dovecot/config
unix 2 [ ACC ] STREAM LISTENING 531810 439/dovecot /var/run/dovecot/login/login
unix 2 [ ACC ] STREAM LISTENING 531812 439/dovecot /var/run/dovecot/token-login/tokenlogin
unix 2 [ ACC ] STREAM LISTENING 531814 439/dovecot /var/run/dovecot/auth-login
unix 2 [ ACC ] STREAM LISTENING 531816 439/dovecot /var/run/dovecot/auth-client
unix 2 [ ACC ] STREAM LISTENING 531818 439/dovecot /var/run/dovecot/auth-userdb
unix 2 [ ACC ] STREAM LISTENING 531820 439/dovecot /var/run/dovecot/auth-master
unix 2 [ ACC ] STREAM LISTENING 531822 439/dovecot /var/run/dovecot/auth-worker