[Opendnssec-user] Parent info

Miek Gieben miek at miek.nl
Sat Mar 3 12:19:07 UTC 2012


[ Quoting <visser at terena.org> at 11:34 on Mar  3 in "[Opendnssec-user] Pa..." ]
> [visser at cajones ~]$ dig @a0.org.afilias-nst.info. org soa +noall +answer
> 
> ; <<>> DiG 9.7.0-P1 <<>> @a0.org.afilias-nst.info. org soa +noall +answer
> ; (2 servers found)
> ;; global options: +cmd
> org.                    900     IN      SOA
> a0.org.afilias-nst.info. noc.afilias-nst.info. 2009978691 1800 900
> 604800 86400
> 
> So, TTL is 900, and Minimum is 86400 - right?

yes.

> If I understand correctly, this value is important in case you screw
> up things, because the higher this is, the longer it will take before
> it expires from nameservers

yes.

> Now only left is the <PropagationDelay>, which is "the interval
> between the time a new KSK is published in the zone and the time that
> the DS record appears in the parent zone".

I think this is used when you want a automatic KSK rollover (but I'm
not completely sure about that).

> I'm not sure why this is needed? Aren't you supposed to manually tell
> that the DS is "seen"?

Then you are using a manual KSK rollover procedure.

grtz Miek
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