Re: [bitfolk] Secondary DNS: How long to keep expired zones?

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Author: Andy Bennett
Date:  
To: Andy Smith, users
Subject: Re: [bitfolk] Secondary DNS: How long to keep expired zones?

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Hi,

> Assume that:
>
> 1) You're a user of BitFolk's secondary DNS service.
>
> 2) One or more of your zones have been unreachable from our
>    secondary servers for so long that they have expired.

>
> How long would you expect BitFolk to continue serving SERVFAIL for
> your zone(s) before removing them from the configuration (and
> thereafter serving NOERROR/REFUSED as for any name they're not
> authoritative for)?


If this happens would the owner automatically get a ticket?

Can you tell from whois or elsewhere whether you're still listed as an
auth server?


> If any of you use other similar services where you provide the
> primary DNS server, what do they do in that circumstance?
>
> Is there a difference in behaviour in typical Internet protocols
> that encounter SERVFAIL vs NOERROR? e.g. would a mail server
> consider SERVFAIL to be a temporary failure but NOERROR to be a
> permanent one?


These are things I don't know and haven't really thought much about. :-(
It'd be an interesting thing to know tho'...





Regards,
@ndy

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