Note: Our IP range is 192.168.0.0/24
This instruction set is based upon this range. Therefore anywhere you see this number, you may replace with your IP range.
- CD into working dir
user@box:/# cd /etc/bind
- Backup the origininal
?user@box:/# cp named.conf.local named.conf.local.orig ?user@box:/# cp named.conf.options named.conf.options.orig
- Create the zone.
user@box:/etc/bind$ vi 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 DEFINITION zone "corp.h8n.com" { type master; file "/etc/bind/zones/corp.h8n.com.db"; }; # ZONE DEFINITION FOR REVERSE DNS zone "0.168.192.corp.h8n.com" { type master; file "/etc/bind/zones/rev.0.168.192.corp.h8n.com"; }; - Modify the forwarder. Define the DNS(s) to which this DNS will forward requests it can’t process
user@box:/etc/bind$ vi named.conf.options 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; // }; forwarders { 8.8.8.8; 4.2.2.1; 4.2.2.2; }; auth-nxdomain no; # conform to RFC1035 listen-on-v6 { any; }; listen-on { 127.0.0.1; 192.168.0.0/24; }; }; - Add the zone definition files
root@box:/etc/bind# mkdir zones root@box:/etc/bind# cd zones
root@box:/etc/bind/zones$ vi corp.h8n.com.db ; ; DNS zone for corp.h8n.lan ; $ORIGIN corp.h8n.com. $TTL 1D ; any time you make a change to the domain, bump the ; "serial" setting below. the format is easy: ; YYYYMMDDI, with the I being an iterator in case you ; make more than one change during any one day corp.h8n.com. IN SOA cmlin01.corp.h8n.com. dnsadmin.corp.h8n.com. ( 20120725; 28800; 604800; 604800; 86400; ) ; cmlin01.corp.h8n.lan serves this domain as the name server (NS) corp.h8n.com. IN NS cmlin01.corp.h8n.com. ; ; Define domain functions with CNAMEs ; <cname> CNAME <hostname> ; jenkins IN CNAME cmlin01 cacti IN CNAME cmlin01 dns IN CNAME cmlin01 ntp IN CNAME cmlin01 ldap IN CNAME cmlin02 phpmyadmin IN CNAME cmlin02 xymon IN CNAME cmlin02 nexus IN CNAME cmlin03 django IN CNAME cmlin03 cmdb IN CNAME cmlin03 svn IN CNAME cmlin03 wiki IN CNAME cmlin03 shareddrive IN CNAME nas nfs IN CNAME nas ; ; Define our hostnames for static IP's ; printer.corp.h8n.com. IN A 192.168.0.10 nas.corp.h8n.com. IN A 192.168.0.20 cmlin01.corp.h8n.com. IN A 192.168.0.26 cmlin02.corp.h8n.com. IN A 192.168.0.24 cmwin01.corp.h8n.com. IN A 192.168.0.27 cmosx01.corp.h8n.com. IN A 192.168.0.29 cmosx02.corp.h8n.com. IN A 192.168.0.30 cmosx03.corp.h8n.com. IN A 192.168.0.31 cmlin03.corp.h8n.com. IN A 192.168.0.32 cmwin02.corp.h8n.com. IN A 192.168.0.33 cmosx04.corp.h8n.com. IN A 192.168.0.34 cmwin03.corp.h8n.com. IN A 192.168.0.36 cmosx05.corp.h8n.com. IN A 192.168.0.37 ; Just in case someone asks for localhost.corp.h8n.lan localhost IN A 127.0.0.1
- Reverse Pointers. NOTE: The IP is a reverse of hte range we use.
Our range is 192.168.0.0/24 so the file is 0.168.192…cmuser@cmlin01:/etc/bind/zones$ more rev.0.168.192.corp.h8n.com ; ; This is our reverse DNS zone file ; ;$ORIGIN 0.168.192.corp.h8n.com. $TTL 1D corp.h8n.com. IN SOA cmlin01.corp.h8n.com. dnsadmin.corp.h8n.com. ( 20120716; 28800; 604800; 604800; 86400; ) ;0.168.192.corp.h8n.com IN NS cmlin02.corp.h8n.com. @ IN NS cmlin01. #26 IN PTR corp.h8n.com 10 IN PTR printer.corp.h8n.com. 20 IN PTR nas.corp.h8n.com. 25 IN PTR cmlin02.corp.h8n.com. 26 IN PTR cmlin01.corp.h8n.com. 27 IN PTR cmwin01.corp.h8n.com. 28 IN PTR bethosx.corp.h8n.com. 29 IN PTR cmosx01.corp.h8n.com. 30 IN PTR cmosx02.corp.h8n.com. 31 IN PTR cmosx03.corp.h8n.com. 32 IN PTR cmlin03.corp.h8n.com. 33 IN PTR cmwin02.corp.h8n.com. 34 IN PTR cmosx04.corp.h8n.com. 35 IN PTR jsandlin-mini.corp.h8n.com. 36 IN PTR cmwin03.corp.h8n.com. 37 IN PTR cmosx05.corp.h8n.com.