--- service: j.root-servers.net start-period: '2015-11-19T00:00:00Z' end-period: '2015-11-19T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4079982261 dns-udp-queries-received-ipv6: 437902622 dns-tcp-queries-received-ipv4: 72651048 dns-tcp-queries-received-ipv6: 1633750 dns-udp-responses-sent-ipv4: 3903843004 dns-udp-responses-sent-ipv6: 440748170 dns-tcp-responses-sent-ipv4: 70095566 dns-tcp-responses-sent-ipv6: 305342