--- service: j.root-servers.net start-period: '2017-02-07T00:00:00Z' end-period: '2017-02-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6622190229 dns-udp-queries-received-ipv6: 697380295 dns-tcp-queries-received-ipv4: 161355427 dns-tcp-queries-received-ipv6: 13233753 dns-udp-responses-sent-ipv4: 6530948307 dns-udp-responses-sent-ipv6: 691536509 dns-tcp-responses-sent-ipv4: 153693271 dns-tcp-responses-sent-ipv6: 13373360