In message <20090629101834.ga31...@fantomas.sk>, Matus UHLAR - fantomas writes:
> Hello,
>
> I am planning to change NS records in our and our customers' zones.
>
> I'll have four nameservers on different networks, and I'd like to make
> configuration as easy as possible by using only one NS record for them all.
And harder to debug. 1 name to 1 machine is easy to debug.
> What I currently have is similar to:
>
> domain.example. IN NS ns.domain.example.
> IN NS ns1.domain.example.
> IN NS ns2.domain.example.
> IN NS ns.example.com.
> ns.domain.example. IN A 10.0.0.1
> ns1.domain.example. IN A 10.0.0.2
> ns2.domain.example. IN A 10.0.0.3
> ns.example.com. IN A 192.168.0.1
>
> I would like to change it this way:
>
> domain.example. IN NS ns.domain.example.
> ns.domain.example. IN A 10.0.0.1
> IN A 10.0.0.2
> IN A 10.0.0.3
> IN A 192.168.0.1
>
> That way our customers for which we will configure slaves will only have to
> add one NS record instead of four (or less, which will currently put load on
> only some of our servers).
>
>
> customer.example. IN NS ns.customer.example.
> IN NS ns.domain.example.
> ns.customer.example. IN A 172.16.0.1
>
> - when bind will access to servers for the customer.example., will it spread
> the load onto all ip addresses equally, will it send half of queries to
> ns.customer.example. and half to ns.domain.example. ?
>
> (I know this usually only happens for first lookup but anyway)
>
> I am also planning to use hidden master so another question is:
> - will BIND send NOTIFY to all IP addresses of 1 NS record?
> (multiple A's for one name can be understood as one multihomed host)
>
>
> The rest is not strictly BIND-related, but I hope it may be acceptable in
> this list. Does anyone know, if:
>
> - will registrars who require more nameservers in different subnets accept
> providing only "ns.domain.example." as a NS, or will they require other NS
> record?
> - if they require other NS record, will they accept "ns.isp.example." with
> the same set of A records?
>
> --
> Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
> Warning: I wish NOT to receive e-mail advertising to this address.
> Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
> LSD will make your ECS screen display 16.7 million colors
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--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org
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