RE: [dns-wg] RIPE NCC DNSSEC on the reverse tree update.
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To: "Brett Carr" <>
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From: Alexander Gall <>
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Date: Wed, 30 Nov 2005 08:59:37 +0100
On Tue, 29 Nov 2005 16:38:58 +0100, "Brett Carr" brettcarr@localhost said:
>> Did you have a chance to look (or have somebody else have a
>> look :-) at
>> <https://www.ripe.net/cgi-bin/delcheck/delcheck2.cgi> for the
>> zone 176.195.in-addr.arpa? I can see two problems:
>>
>> - For some reason, the tool doesn't get replies to queries for NS and
>> DNSKEY records at our name servers {merapi,scsnms}.switch.ch with
>> the DO flag set. The tool then (erroneously) concludes that these
>> RRsets are inconsistent among the servers for the zone.
>>
>> I see the queries coming in on our servers from 193.0.0.214. Could
>> it be that the replies are filtered somwhere in your network (having
>> strange flags and all that)?
> We have now fixed this after finding some strange (udp fragment) filtering
> behaviour on our Juniper router, We will be carrying out more (lab based)
> tests on this and will report the results to Juniper.
Thanks!
--
Alex
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