[plug] Strange DNS issue for AU domains

[William Kenworthy]

On 18/9/23 17:37, plugger at thegeezer.net wrote:
>
>
> On 18/09/2023 11:43 am, Onno Benschop wrote:
>> Could be that your ISP is filtering port 53, either on purpose or 
>> accidentally.
>>
>> --
>> finger painting on glass is an inexact art - apologies for any errors 
>> in this scra^Hibble
>>
>> ()/)/)() ..ASCII for Onno..
>>
>
> I had the unhappy feeling when i got SERVFAIL against my own hosted 
> DNS.   At home I use OpenDNS and i was only getting SERVFAIL against 
> their DNS, dig direct to my hosted DNS everything was OK
>
> thought I'd share what the OpenDNS support team advised, possible
>
> " We just wanted to provide an update, an issue has been identified on 
> the .AU zone delegation causing failure due to DNSSEC validation. 
> Umbrella engineering has temporary disabled DNSSEC validation on 
> Umbrella/OpenDNS Resolvers while allowing .AU zone owners to address 
> the root issue."
>
>
> and this from .auDA
>
> "
>
> 18 September, 2023
>
> auDA is aware that some internet users may have experienced an issue 
> with .au domain name resolution this morning.
>
> The issue was caused by a Domain Name System Security Extensions 
> (DNSSEC) key re-signing process that generated an incorrect record for 
> a short period. Internet users whose Internet Service Providers (ISPs) 
> use a Domain Name System (DNS) resolver with DNSSEC validation were 
> impacted.
>
> The issue was resolved in under an hour. The security of the .au DNS 
> was not impacted.
>
> We regret any inconvenience caused to impacted internet users." [1]
>
> [1] https://www.auda.org.au/statement/au-domain-name-system-update
>
>
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Thanks for this, clears it up nicely!

BillK

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