OpenDNS support reported that problem was fixed. From my point of view
it was really fixed...

Technical details:

The redirection problem should now be fixed.

Some technical detail: Computers that are configured to use both IPv6
and IPv4 will perform a DNS query for both the A and AAAA records for a
given domain. Our resolvers will properly return a NODATA response for
the AAAA record, but we are seeing the client then perform another query
for the AAAA record with the local search suffix attached. This
subsequent query will result in an NXDOMAIN response, and thus customers
with NXDOMAIN redirection enabled will be redirected to our NXDOMAIN
page. The A record query will properly return the IP address, but some
clients may have a preference for AAAA records, or may choose one of the
two responses at random, and thus get redirected to our NXDOMAIN page.

This extra AAAA query is unusual behaviour for a client, but we were
able to mitigate it by removing the redirection for the AAAA record
requests from our DNS servers.

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https://bugs.launchpad.net/bugs/1312127

Title:
  wget tries to get certificate from wrong server

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