--- service: j.root-servers.net start-period: '2017-01-29T00:00:00Z' end-period: '2017-01-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5954924560 dns-udp-queries-received-ipv6: 610115341 dns-tcp-queries-received-ipv4: 151015674 dns-tcp-queries-received-ipv6: 9958727 dns-udp-responses-sent-ipv4: 5863110480 dns-udp-responses-sent-ipv6: 613088363 dns-tcp-responses-sent-ipv4: 138676686 dns-tcp-responses-sent-ipv6: 10070958