--- service: j.root-servers.net start-period: '2016-03-20T00:00:00Z' end-period: '2016-03-20T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5867506235 dns-udp-queries-received-ipv6: 674096226 dns-tcp-queries-received-ipv4: 177338957 dns-tcp-queries-received-ipv6: 3460919 dns-udp-responses-sent-ipv4: 5560106251 dns-udp-responses-sent-ipv6: 723715385 dns-tcp-responses-sent-ipv4: 154350405 dns-tcp-responses-sent-ipv6: 311573