--- service: j.root-servers.net start-period: '2013-10-12T00:00:00Z' end-period: '2013-10-12T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1728123177 dns-udp-queries-received-ipv6: 129420383 dns-tcp-queries-received-ipv4: 16715177 dns-tcp-queries-received-ipv6: 3095982 dns-udp-responses-sent-ipv4: 1722050826 dns-udp-responses-sent-ipv6: 129385389 dns-tcp-responses-sent-ipv4: 13273517 dns-tcp-responses-sent-ipv6: 76879