이 메시지의 의미를 모르겠어요.;;

ns2 네임서버에서 발생되는 메시지인데
무슨 의미인지 모르겠네요..;  서비스엔 영향이 없는것으로 보이는데
혹시 아시는 분 있으신지요..
(메시지의 도메인은 저희와 관계없는 도메인입니다;;)

May 20 10:27:38 ns2 named[5987]: lame server resolving 'pino.co.kr' (in 'pino.co.kr'?): 203.233.237.51#53
May 20 10:27:47 ns2 named[5986]: lame server resolving 'pino.co.kr' (in 'pino.co.kr'?): 203.233.237.52#53
May 20 10:27:47 ns2 named[5986]: lame server resolving 'pino.co.kr' (in 'pino.co.kr'?): 203.233.237.51#53
May 20 10:27:50 ns2 named[5987]: lame server resolving 'han.mail.net' (in 'mail.NET'?): 198.6.1.81#53
May 20 10:27:53 ns2 named[5986]: socket.c:1100: unexpected error:
May 20 10:27:53 ns2 named[5986]: internal_send: 58.33.1.76#1267: Connection reset by peer
May 20 10:27:53 ns2 named[5986]: client 58.33.1.76#1267: error sending response: connection reset
May 20 10:28:04 ns2 named[5986]: lame server resolving 'yhnet.co.kr' (in 'yhnet.co.kr'?): 61.101.110.133#53
May 20 10:28:11 ns2 modprobe: modprobe: Can't locate module 200?RB|^A
May 20 10:28:11 ns2 modprobe: modprobe: Can't locate module 200?RB|^A
May 20 10:28:21 ns2 named[5987]: lame server resolving 'pino.co.kr' (in 'pino.co.kr'?): 203.233.237.52#53
May 20 10:28:21 ns2 named[5987]: lame server resolving 'pino.co.kr' (in 'pino.co.kr'?): 203.233.237.51#53
May 20 10:28:43 ns2 named[5986]: lame server resolving 'pino.co.kr' (in 'pino.co.kr'?): 203.233.237.52#53
May 20 10:28:43 ns2 named[5986]: lame server resolving 'pino.co.kr' (in 'pino.co.kr'?): 203.233.237.51#53
May 20 10:29:11 ns2 modprobe: modprobe: Can't locate module 200?RB|^A
May 20 10:29:11 ns2 modprobe: modprobe: Can't locate module 200?RB|^A

끝까지 봐주셔서 감사합니다.
좋은 하루되세요.