li15-67 root # netstat -a -n | grep ":53"
tcp        0      0 my.dns.ip.address:53          0.0.0.0:*               LISTEN
tcp        0      0 ::ffff:127.0.0.1:53     :::*                    LISTEN
udp        0      0 ::ffff:127.0.0.1:53     :::*
udp        0      0 ::ffff:64.22.71.67:53   :::*
udp        0      0 ::ffff:64.22.71.67:53   :::*