--- service: j.root-servers.net start-period: '2017-01-25T00:00:00Z' end-period: '2017-01-25T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6477350216 dns-udp-queries-received-ipv6: 620601738 dns-tcp-queries-received-ipv4: 182599381 dns-tcp-queries-received-ipv6: 11966742 dns-udp-responses-sent-ipv4: 6359431868 dns-udp-responses-sent-ipv6: 624309994 dns-tcp-responses-sent-ipv4: 168028571 dns-tcp-responses-sent-ipv6: 12089742