Concise Guide to DNS and BIND, The

Migrating from BIND 4 to BIND 8

If you have a BIND 4 installation you want to migrate to BIND 8, you might encounter some problems when you attempt the migration. Converting a server from BIND 4 to 8 should not be done without first testing everything under BIND 8; however, a quick test should be sufficient, and the problems should be obvious.

Configuration File Conversion

The zone files BIND 4 uses are identical to BIND 8 zone files, except for the $TTL. As of BIND 8.2.2, you don't have to have $TTLs in your zone files, but you will get several warnings if you don't have them .

The configuration file format is very different, though. Luckily, BIND 8 includes a shell script that converts your named.boot file to the named.conf file BIND ...