--- service: j.root-servers.net start-period: '2013-10-11T00:00:00Z' end-period: '2013-10-11T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2000699107 dns-udp-queries-received-ipv6: 143384841 dns-tcp-queries-received-ipv4: 15356559 dns-tcp-queries-received-ipv6: 2546068 dns-udp-responses-sent-ipv4: 1994158354 dns-udp-responses-sent-ipv6: 143346125 dns-tcp-responses-sent-ipv4: 14290019 dns-tcp-responses-sent-ipv6: 79110