--- service: j.root-servers.net start-period: '2015-01-14T00:00:00Z' end-period: '2015-01-14T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8717335681 dns-udp-queries-received-ipv6: 496781442 dns-tcp-queries-received-ipv4: 117217901 dns-tcp-queries-received-ipv6: 9507367 dns-udp-responses-sent-ipv4: 8791313181 dns-udp-responses-sent-ipv6: 496544622 dns-tcp-responses-sent-ipv4: 132613810 dns-tcp-responses-sent-ipv6: 4673837