Actually I once got a mail by them, forwarded via several intermediate admins in a university network. It was an information about a public reachable DNS server

Actually I once got a mail by them, forwarded via several intermediate admins in a university network. It was an information about a public reachable DNS server on my server. Nowadays, this can be abused for DNS replay attacks or so. What a pity. Things where so easy 20 years ago.