DNS configuration is always unavailable. Please take a look !!!

Source: Internet
Author: User
DNS configuration is always unavailable. Please take a look !!! -- Linux Enterprise Application-Linux server application information. For details, refer to the following section. Master configuration file named. conf
Options
{
Query-source port 53;
Query-source-v6 port 53;
Directory "/var/named"; // the default
Dump-file "data/cache_dump.db ";
Statistics-file "data/named_stats.txt ";
Memstatistics-file "data/named_mem_stats.txt ";

};
Include "/etc/named. rfc1912.zones ";
Zone "syctsedu.edu" IN {
Typemaster;
File "syctsedu.edu ";
Allow-update {none ;};
};
Zone "Limit 192.in-addr. arpa" IN {
Typemaster;
File "192.168.2.rev ";
Allow-update {none ;};
};


Named. rfc1912.zones:
Zone "." IN {
Typehint;
File "named. ca ";
};
Zone "localdomain" IN {
Type master;
File "localdomain. zone ";
Allow-update {none ;};
};

Zone "localhost" IN {
Type master;
File "localhost. zone ";
Allow-update {none ;};
};

Zone "0.0.127.in-addr. arpa" IN {
Type master;
File "named. local ";
Allow-update {none ;};
};

Zone "0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa" IN {
Type master;
File "named. ip6.local ";
Allow-update {none ;};
};

Zone "255. in-addr.arpa" IN {
Type master;
File "named. broadcast ";
Allow-update {none ;};
};

Zone "0. in-addr.arpa" IN {
Type master;
File "named. zero ";
Allow-update {none ;};
};


Forward domain syctsedu.edu:
$ TTL86400
@ IN SOAns.syctsedu.edu. root.ns.syctsedu.edu .(
42; serial (d. adams)
3 H; refresh
15 M; retry
1 W; expiry
1D); minimum

IN NSns.syctsedu.edu.
Ns IN A192.168.2.252

Reverse resolution file 192.168.2.rev:
$ TTL86400
@ IN SOAns.syctsedu.edu. root.ns.syctsedu.edu .(
42; serial (d. adams)
3 H; refresh
15 M; retry
1 W; expiry
1D); minimum

IN NSns.syctsedu.edu.
252 IN PTRns.syctsedu.edu.

The DNS is configured on the host 192.168.2.252. The system uses the Fedora Core 6 installed on the virtual machine, and the Bind is the 9.3.2 that comes with the CD.
There is no error in starting the named service. The result of the host Command query is as follows. I don't know where it is always. Please help me diagnose it !!!

Related Article

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.