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[root@DNS named]# dig www.lenovo.com.cn
; <<>> DiG 9.2.2 <<>> www.lenovo.com.cn
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 65177
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;www.lenovo.com.cn. IN A
;; Query time: 98 msec
;; SERVER: 10.0.0.145#53(10.0.0.145)
;; WHEN: Thu Jul 24 15:52:50 2008
;; MSG SIZE rcvd: 35
但是日志中又是解析出来的
Jul 24 15:45:53 DNS named[3880]: lame server resolving 'www.lcf5.lenovo.com.cn' (in 'lcf5.lenovo.com.cn'?): 219.142.122.253#53
Jul 24 15:45:53 DNS named[3880]: lame server resolving 'www.lcf5.lenovo.com.cn' (in 'lcf5.lenovo.com.cn'?): 123.127.211.253#53
这是加trace的
[root@DNS named]# dig @10.0.0.145 www.lenovo.com.cn
; <<>> DiG 9.2.2 <<>> @10.0.0.145 www.lenovo.com.cn
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 33016
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;www.lenovo.com.cn. IN A
;; Query time: 74 msec
;; SERVER: 10.0.0.145#53(10.0.0.145)
;; WHEN: Thu Jul 24 16:19:44 2008
;; MSG SIZE rcvd: 35
[root@DNS named]# dig @10.0.0.145 www.lenovo.com.cn +trace
; <<>> DiG 9.2.2 <<>> @10.0.0.145 www.lenovo.com.cn +trace
;; global options: printcmd
. 515795 IN NS F.ROOT-SERVERS.NET.
. 515795 IN NS G.ROOT-SERVERS.NET.
. 515795 IN NS H.ROOT-SERVERS.NET.
. 515795 IN NS I.ROOT-SERVERS.NET.
. 515795 IN NS J.ROOT-SERVERS.NET.
. 515795 IN NS K.ROOT-SERVERS.NET.
. 515795 IN NS L.ROOT-SERVERS.NET.
. 515795 IN NS M.ROOT-SERVERS.NET.
. 515795 IN NS A.ROOT-SERVERS.NET.
. 515795 IN NS B.ROOT-SERVERS.NET.
. 515795 IN NS C.ROOT-SERVERS.NET.
. 515795 IN NS D.ROOT-SERVERS.NET.
. 515795 IN NS E.ROOT-SERVERS.NET.
;; Received 500 bytes from 10.0.0.145#53(10.0.0.145) in 2 ms
cn. 172800 IN NS E.DNS.cn.
cn. 172800 IN NS B.DNS.cn.
cn. 172800 IN NS C.DNS.cn.
cn. 172800 IN NS D.DNS.cn.
cn. 172800 IN NS NS.CERNET.NET.
cn. 172800 IN NS A.DNS.cn.
;; Received 298 bytes from 192.5.5.241#53(F.ROOT-SERVERS.NET) in 45 ms
lenovo.com.cn. 21600 IN NS ns.lenovo.com.cn.
lenovo.com.cn. 21600 IN NS ns1.lenovo.com.cn.
;; Received 102 bytes from 203.119.26.1#53(B.DNS.cn) in 41 ms
www.lenovo.com.cn. 7200 IN CNAME www.lcf5.lenovo.com.cn.
;; Received 58 bytes from 219.142.122.12#53(ns.lenovo.com.cn) in 41 ms
请问是什么问题? |
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