--- service: j.root-servers.net start-period: '2016-01-12T00:00:00Z' end-period: '2016-01-12T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4800370011 dns-udp-queries-received-ipv6: 556977299 dns-tcp-queries-received-ipv4: 114450285 dns-tcp-queries-received-ipv6: 2087212 dns-udp-responses-sent-ipv4: 4416218837 dns-udp-responses-sent-ipv6: 562504467 dns-tcp-responses-sent-ipv4: 96414258 dns-tcp-responses-sent-ipv6: 304686