# dig ungl.org

; <<>> DiG 9.5.1-P2.1 <<>> ungl.org
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY,status: NOERROR,id: 24585
;; flags: qr aa rd ra; QUERY: 1,ANSWER: 1,AUTHORITY: 2,ADDITIONAL: 1

;; QUESTION SECTION:
;ungl.org.                      IN      A

;; ANSWER SECTION:
ungl.org.               38400   IN      A       188.165.34.72

;; AUTHORITY SECTION:
ungl.org.               38400   IN      NS      ns.kimsufi.com.
ungl.org.               38400   IN      NS      r29901.ovh.net.

;; ADDITIONAL SECTION:
ns.kimsufi.com.         85529   IN      A       213.186.33.199

;; Query time: 1 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Mar 13 01:04:06 2010
;; MSG SIZE  rcvd: 114

但是当我从同一数据中心的另一台服务器运行它时,我会收到：

# dig @87.98.167.208 ungl.org

; <<>> DiG 9.5.1-P2.1 <<>> @87.98.167.208 ungl.org
; (1 server found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY,status: REFUSED,id: 18787
;; flags: qr rd; QUERY: 1,ANSWER: 0,AUTHORITY: 0,ADDITIONAL: 0
;; WARNING: recursion requested but not available

;; QUESTION SECTION:
;ungl.org.                      IN      A

;; Query time: 1 msec
;; SERVER: 87.98.167.208#53(87.98.167.208)
;; WHEN: Sat Mar 13 01:01:35 2010
;; MSG SIZE  rcvd: 26

我的这个域名的区域文件是

$ttl 38400
ungl.org.       IN  SOA r29901.ovh.net. mikey.aol.com. (
                201003121
                10800
                3600
                604800
                38400 )
ungl.org.       IN  NS  r29901.ovh.net.
ungl.org.       IN  NS  ns.kimsufi.com.
ungl.org.       IN  A   188.165.34.72
localhost.      IN  A   127.0.0.1
www             IN  A   188.165.34.72

而named.conf.options是默认的：

options {
    directory "/var/cache/bind";

    // If there is a firewall between you and nameservers you want
    // to talk to,you may need to fix the firewall to allow multiple
    // ports to talk.  See http://www.kb.cert.org/vuls/id/800113

    // If your ISP provided one or more IP addresses for stable 
    // nameservers,you probably want to use them as forwarders.  
    // Uncomment the following block,and insert the addresses replacing 
    // the all-0's placeholder.

    // forwarders {
    //  0.0.0.0;
    // };

    auth-nxdomain no;    # conform to RFC1035
    listen-on-v6 { ::1; };
    listen-on { 127.0.0.1; };
    allow-recursion { 127.0.0.1; };
};

named.conf.local：

//
// Do any local configuration here
//

// Consider adding the 1918 zones here,if they are not used in your
// organization
// include "/etc/bind/zones.rfc1918";

zone "eugl.eu" {
         type master;
         file "/etc/bind/eugl.eu";
         notify no;
};


zone "ungl.org" {
         type master;
         file "/etc/bind/ungl.org";
         notify no;
};

服务器正在运行Ubuntu 9.10和Bind 9,如果有人能为我解释这一点,那会让我很开心！

谢谢