--- service: j.root-servers.net start-period: '2016-04-02T00:00:00Z' end-period: '2016-04-02T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5251923698 dns-udp-queries-received-ipv6: 658550466 dns-tcp-queries-received-ipv4: 156280164 dns-tcp-queries-received-ipv6: 2314121 dns-udp-responses-sent-ipv4: 4976903999 dns-udp-responses-sent-ipv6: 658596951 dns-tcp-responses-sent-ipv4: 140172479 dns-tcp-responses-sent-ipv6: 311269