Ah! Could this be why ripe.net have permanently banned "my" ipv6 address for making "too many queries" (via fail2ban)? I have a feeling that would explain that, as it certainly wasn't making thousands of queries per day on its own (maybe about 10 as I've set up detection of some spam bots), but if ripe.net is seeing the whole Linode customer base as a single source then it's another story.
Is it a bad thing to just disable IPv6 altogether? I'd love to be proactive and do my part for its adoption, but it seems to still have more problems than it's worth, and things like fail2ban don't support it anyway.
It's that or ask for my own block. It seems wasteful to me if no one is using it. Apparently we'll "never run out" of ipv6 addresses, but if we're handing out millions at a time I can see that claim being a bit like the Titanic being "unsinkable" and 640K being enough for anyone
