Just to make sure I have TTL's understood.

[Matus UHLAR - fantomas]

On 25.11.08 23:15, Scott Haneda wrote:
> Based on your suggestions, I have made a template zone file to base  
> all new zones on, do you agree with this?
> 
> * When I need to change to a low TTL for migration needs, what would  
> be the approach to that with this template format?

I personally use default TTL 43200, and higher only for NS records (and
apropriate A records) to have the same TTL as glue records in parent
domains.

> $TTL 1D
> @       IN      SOA     ns1.hostwizard.com. scott.hostwizard.com. (
>                 200810011       ; serial, todays date + todays serial #
>                 8H              ; refresh
>                 2H              ; retry
>                 4W              ; expire
>                 1H )            ; minimum
> @       IN      NS      ns1.hostwizard.com.
> @       IN      NS      ns1.nacio.com.
> @       IN      MX      10 gonepostal.hostwizard.com.  ; Primary Mail  
> Exchanger
> 
> ; email server base
> pop     IN      A       64.84.37.6
> smtp    IN      A       64.84.37.6
> imap    IN      A       64.84.37.6
> @       IN      TXT     "v=spf1 ip4:64.84.37.0/26 ?all"
> 
> ; http website base
> ;@      IN      A       64.84.37.x
> ;www    IN      A       64.84.37.x
> ;ftp    IN      A       64.84.37.x

those @'s are useless most of the time, if you don't provide name, the RR
applies for the last name provided. Move TXT just after SOA and you can
remove them all.

-- 
Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/
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