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   Admin Lab DNSTool |
The Labs - Design & Functionality For The Net
Tool to handle domains with BIND-4.x/8.x
$MyVersion: 0.021 - Sun Feb 2 15:02:08 CET 2003 - kiwi$
We run DNS (bind-4.x & bind-8.x or also called named) and I studied the files I had to write in order to serve different virtual domains and MX, A and CNAME records and I thought to make it much more simple, dnstool is a small perl-script which just serves my desire, maybe yours too.Jan 30, 2001: Multiple BIND Volnerabilities again, like every year; now is just enough, we switch now to DJBDNS (same author as qmail, sendmail replacement this is). The DNSTool will updated for djbdns and also other BIND alternatives support as well.
This program comes WITHOUT ANY WARRANTY AND NO SUPPORT.
dnstool, you require perl, copy it into /usr/sbin/.
$MyHistory$ 02 Feb 2003: 0.021: -zones-only and -conf-conly as switches . 24 Jan 2003: 0.020: support of * as host . 23 Apr 2001: 0.019: explicit cname supported . 02 Feb 2001: 0.018: secondary dns fix . 02 Feb 2001: 0.017: bug fix serial-no . 26 Jun 2000: 0.012: bind-8.x support (default) . 30 Mar 1998: 0.008: secondary dns support. 17 Nov 1997: 0.001: first version.
Bind-8.x
% dnstool domains which creates various db.* files, and named.conf.
Bind-4.x
% dnstool -dns4 domains to creates various db.* (same as under bind-8.x) and named.boot.
Don't forget to give named a HUP so the new data are loaded:
% ps -aux | grep named ... you get process id (pid) then % kill -HUP <pid>
Having dnstool doesn't avoid you get to know DNS by yourself, it's just a tool, you still should analyze the result and understand what your named-files actually do.
- domain name
- starting dns-definition of domain
- dnstime a b c d
- refresh times, use 86400 3600 1296000 604800
- primary hostname
- primary dns
- secondary hostname
- secondary dns
- mx priority hostname
- use for priority 10-100
- domainip ip
- have domain resolve too (good for having http://domain without www.)
- network subip submask
- e.g. 192.168.0 255.255.255.0
- host sub-dom1 ... subdomN ip
- add 'www', 'ftp' etc and such
- secondary-dns domain ip
- domains you serve 2nd-dary dns
- cname hostname full-qualified-host
- define an alias (CNAME), e.g. cname me me.test.org
Hint for BIND 8.x/9.x: If you require to add special options in named.conf call dnstool normally once, and then after only with the -zones-only switch so your edited named.conf is not overwritten.
domains sample-file:
# -------------------------------------------------- # Howto: edit it, and run 'make' in this directory path /var/named/ # -------------------------------------------------- domain mycompany.com dnstime 86400 3600 1296000 604800 primary master.mycompany.com secondary dns.sample1.com secondary dns.sample2.com mx 10 master.mycompany.com domainip 128.121.10.91 network 192.123 255.255.255.0 host master www dns ftp irc 192.123.42.32 host members 192.124.1.2 host www.za 128.12.12.1 host www.nz 128.12.12.5 host www.eu 195.75.1.1 host www2.eu 195.75.1.1 host www3.eu 134.12.7.1 domain anotherdomain.com dnstime 86400 3600 1296000 604800 primary master.anothercompany.com secondary dns.anothersecondary.com mx 10 master.anothercompany.com network 192.124 255.255.255.0.0 host master www dns ftp irc 192.124.1.2 host members 192.124.1.1 host www.za 196.34.2.2 host www.eu 195.75.1.1 host www2.eu 195.75.1.1 host www3.eu 195.75.1.1
Makefile
all:: dnstool domains
ISC.ORG: BIND Source Get the latest bind (named) DJB-DNS Alternative to BIND MaraDNS Another DNS DNS Resource Directory Stuff only system-admin cares about
"DNS and BIND - Paul Albitz & Cricket Liu, O'Reilly & Associates, Inc..Buy it, it's worth and gives you a reference how to handle and debug named stuff
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