let say 'default' of 'dns template' is:
__base__ A - 123.111.111.111
cp A - 123.111.111.111
mail A - 123.111.111.111
ns A - 123.111.111.111
ns1 A - 123.111.111.111
ns2 A - 123.333.333.333
ftp CN - __base__
lists CN - mail
webmail CN - mail
www CN - __base__
default.dnst MX 10 mail.default.dnst
- NS - ns1.default.dnst
- NS - ns2.default.dnst
So, if you create 'yourdomain.com' and then 'dns settings' is:
__base__ A - 123.111.111.111
cp A - 123.111.111.111
mail A - 123.111.111.111
ns A - 123.111.111.111
ns1 A - 123.111.111.111
ns2 A - 123.333.333.333
ftp CN - yourdomain.com
lists CN - mail
webmail CN - mail
www CN - yourdomain.com
__base__ MX 10 mail.yourdomain.com
__base__ NS - ns1.yourdomain.com
__base__ NS - ns2.yourdomain.com