IPv6 for packages.debian.org is broken

["Emil.s" <emil@sandnabba.se>]

emil@Sandnabba.se: ~ $> host packages.debian.org
packages.debian.org has address 87.106.64.223
packages.debian.org has IPv6 address 2001:8d8:80:11::35d
packages.debian.org mail is handled by 0 powell.debian.org.
emil@Sandnabba.se: ~ $> ping packages.debian.org
PING packages.debian.org (87.106.64.223) 56(84) bytes of data.
64 bytes from powell.debian.org (87.106.64.223): icmp_seq=1 ttl=57  
time=79.1 ms
64 bytes from powell.debian.org (87.106.64.223): icmp_seq=2 ttl=57  
time=70.0 ms
^C
--- packages.debian.org ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 70.002/74.590/79.178/4.588 ms
emil@Sandnabba.se: ~ $> ping6 packages.debian.org
PING packages.debian.org(2001:8d8:80:11::35d) 56 data bytes
^C
--- packages.debian.org ping statistics ---
11 packets transmitted, 0 received, 100% packet loss, time 9999ms

emil@Sandnabba.se: ~ $> ping6 ipv6.google.com
PING ipv6.google.com(2001:4860:0:1001::68) 56 data bytes
64 bytes from 2001:4860:0:1001::68: icmp_seq=1 ttl=56 time=66.3 ms
64 bytes from 2001:4860:0:1001::68: icmp_seq=2 ttl=56 time=66.0 ms
^C
--- ipv6.google.com ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1000ms
rtt min/avg/max/mdev = 66.040/66.174/66.309/0.290 ms

Since IPv6 is preferred over IPv4, it takes some time until the  
gateway tries with IPv4 and it's a little annoying...
Probably an easy fix, and now you know. :)

Regards Emil Sandnabba
emil@sandnabba.se