2008-01-04 AAAA records to be added for root servers hintにAAAAが? UDP Maxで512byte内で4個?ということらしい(EDNS0やTCPに行かないよう) http://www1.ietf.org/mail-archive/web/dnsop/current/msg05904.html http://www.icann.org/committees/security/sac018.pdf