--- service: j.root-servers.net start-period: '2017-01-24T00:00:00Z' end-period: '2017-01-24T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6270762003 dns-udp-queries-received-ipv6: 634690729 dns-tcp-queries-received-ipv4: 184938596 dns-tcp-queries-received-ipv6: 12049918 dns-udp-responses-sent-ipv4: 6153397659 dns-udp-responses-sent-ipv6: 638588117 dns-tcp-responses-sent-ipv4: 171396018 dns-tcp-responses-sent-ipv6: 12178548