--- service: j.root-servers.net start-period: '2016-01-25T00:00:00Z' end-period: '2016-01-25T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5003096541 dns-udp-queries-received-ipv6: 525020015 dns-tcp-queries-received-ipv4: 89382807 dns-tcp-queries-received-ipv6: 2026950 dns-udp-responses-sent-ipv4: 4589584561 dns-udp-responses-sent-ipv6: 528048769 dns-tcp-responses-sent-ipv4: 77853036 dns-tcp-responses-sent-ipv6: 331608