Discussion oreilly The root hints file, which tells a bind name server the domain names and addresses of the root name servers, doesnt need to oreilly be updated often.
See Also The Root Hints Data in Chapter 4 and Keeping the Root Hints Current in Chapter 7 of DNS and bind.
Solution Designate the name servers zones as bind dialup zones using the dialup substatement: options directory var/named dialup yes; ; This tells the name server to bind concentrate zone maintenance activity into a short period, and to perform that maintenance once each bind heartbeat interval.For example: options directory var/named forwarders ; ; ; The name server will forward any query it cant answer locallythat is, from authoritative bind zone data or from cacheto the forwarder.IN I This lets you test whether a particular network interface on bind the file server is up, by pinging.example, for instance.151 You might want to configure an external name server like this, to prevent it from wasting time replying to queries from private address space.Discussion Theres another options substatement available for limiting the number of concurrent zone transfers a slave name server will request from any one master: transfers-per-ns.Discussion Splitting zone data files into one directory for primary master zones and one for slave zones is handy, but on a name server with hundreds or thousands of zones, you may still end up with an unwieldy number of zone data files in each.Solution Use rndc dumpdb (bind 9) or ndc dumpdb (bind 8) to dump the cache to disk, then look through the dump file.Thanks to the availability of early snapshots of bind.3.0, Ive been able to include a few peeks at its features.DNS and bind, by Paul Albitz and Cricket Liu (OReilly) Textbook-style coverage of the Domain Name System and its bind implementation, organized to follow the maturation of an administrator.If you want to direct mail addressed to bar.
For example, heres a stunt stub zone definition very similar to chevrolet the game forward zone defined earlier: zone "bar.
Solution Specify the master domain name you want to look up, the record type youre interested in (unless its A, the default and the domain name or IP address stunt of the name server you want to query (unless its the first one in your resolvers configuration.
154.1 Upgrading from bind 4 to bind 8 or.2 Upgrading from bind 8 to bind.3 Configuring a Name Server to Accommodate a Slave Running bind.4 Configuring a bind Name Server to Accommodate a Slave Running the Microsoft DNS.
On a bind 8 name server, the messages look like this: May 4 22:53:52 ns1 named80323: XX/o.example/A/IN Most of the same information is master there, but in a slightly different format: the address the query was received from, the domain name the query asked about, the.The maximum length of a tsig key is 512 bits.See Also The Local Domain Name and Windows 2000 in Chapter 6 of DNS and bind; DNS Suffix in Chapter 6 of DNS on Windows 2000.The MX records specify the mail server or servers that accept mail addressed making to that mail destination.5.23 Setting Up a Backup Primary Master Name Server Problem You want to establish a backup primary master name server, to assume the responsibilities of the regular primary master name server, should it fail.