topic DNS files in Operating System - HP-UX

DNS files

Fred Martin_1 — Mon, 19 Dec 2005 14:24:55 GMT

Regarding the two files:

/etc/named.data/db.domain
/etc/named.data/db.192.168

I'm wondering if blank lines and/or comment lines can be used liberally throughout the files.

Also, must the data lines be in numerical or alphabetical order?

I'd like to section the files to do some logical organization, i.e. grouped by physical location etc.

Re: DNS files

Pete Randall — Mon, 19 Dec 2005 14:40:11 GMT

Fred,

The file formats are specified in RFC1035:

http://rfc.net/rfc1035.html

Pete

Re: DNS files

Geoff Wild — Mon, 19 Dec 2005 14:41:40 GMT

Order doesn't really matter...

You can put comments in the named.conf file and in zone files...

For named.conf:

/* C style comment format needs opening and closing markers
** but allows multiple lines or */
/* single lines */
// C++ style comnents single line format no closing required
# PERL/SHELL style comments single lines no closing required

For zone files - anything on a line past a semi-colon ; is ignored IE:

$TTL 14400 ; 4 hours
168.192.in-addr.arpa IN SOA myserver.mydomain.com. dnsguy.mydomain.com. (
660505 ; serial
1800 ; refresh (30 minutes)
300 ; retry (5 minutes)
3600000 ; expire (5 weeks 6 days 16 hours)
604800 ; minimum (1 week)
)
$TTL 0 ; 0 seconds

Rgds...Geoff

Re: DNS files

Fred Martin_1 — Mon, 19 Dec 2005 15:05:38 GMT

Thanks folks.