[SR-Users] dns queries on ipv6 addresses

Klaus Darilion klaus.mailinglists at pernau.at
Thu Oct 25 15:57:33 CEST 2012



On 24.10.2012 20:41, Juha Heinanen wrote:
> Richard Fuchs writes:
>
>>> this is not the real fix, but helps until someone figures out why dns
>>> query on something that is not a name but wrongly formatted ipv6 address
>>> is done in the first place.
>>
>> What do you mean with "wrongly formatted"?
>
> the ipv6 address that is passed to dns server is surrounded by brackets
> [address], which i think is not a valid formatted dns name.  even if you
> leave the brackets out, the ipv6 address does not look like a domain
> name to me.
>
> perhaps i'm wrong and domain names now can nowadays contain [, ], and :
> chars?

I think they are generally allowed, but not for hostnames (e.g. A and 
AAAA lookups)

klaus



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