--- service: j.root-servers.net start-period: '2013-11-30T00:00:00Z' end-period: '2013-11-30T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2125076949 dns-udp-queries-received-ipv6: 137869401 dns-tcp-queries-received-ipv4: 22666286 dns-tcp-queries-received-ipv6: 3945604 dns-udp-responses-sent-ipv4: 2117426553 dns-udp-responses-sent-ipv6: 137860591 dns-tcp-responses-sent-ipv4: 19888629 dns-tcp-responses-sent-ipv6: 353