--- service: j.root-servers.net start-period: '2016-01-26T00:00:00Z' end-period: '2016-01-26T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4799532331 dns-udp-queries-received-ipv6: 449749989 dns-tcp-queries-received-ipv4: 89657556 dns-tcp-queries-received-ipv6: 1930693 dns-udp-responses-sent-ipv4: 4439928208 dns-udp-responses-sent-ipv6: 452901368 dns-tcp-responses-sent-ipv4: 76754085 dns-tcp-responses-sent-ipv6: 310051