dane.sys4.net IPv6 problem

Bjørn Mork bjorn at mork.no
Sat Jan 20 15:14:29 CET 2018

Jens Link <lists at quux.de> writes:

>> Is there any reason for blocking AWS IPv6?
> I don't think that AWS is blocked but IPv6 prefixes > 32 are. I have the
> same problem with my mail server which is an /48 PI.
> Your IP is announced by AWS in a /38:
> # sh ipv6 route 2a05:d018:76d:5af6:d050:9b30:6bf7:df98
>   Routing entry for 2a05:d018:400::/38
>   Known via "bgp", distance 20, metric 0, best
>     Last update 04w0d01h ago
>     * fe80::e6aa:5dff:fe82:e001, via eth0

I don't think that is it.  One of my mail servers is fine (in a /32
prefix), but the other one (in a /24 prefix) is not.

See https://dane.sys4.de/smtp/mork.no


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