--- service: j.root-servers.net start-period: '2014-12-17T00:00:00Z' end-period: '2014-12-17T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3284064992 dns-udp-queries-received-ipv6: 229445415 dns-tcp-queries-received-ipv4: 28804506 dns-tcp-queries-received-ipv6: 5595287 dns-udp-responses-sent-ipv4: 3298475632 dns-udp-responses-sent-ipv6: 229382975 dns-tcp-responses-sent-ipv4: 29079408 dns-tcp-responses-sent-ipv6: 4779105