--- service: j.root-servers.net start-period: '2016-05-02T00:00:00Z' end-period: '2016-05-02T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5690605952 dns-udp-queries-received-ipv6: 670981605 dns-tcp-queries-received-ipv4: 143589248 dns-tcp-queries-received-ipv6: 3059219 dns-udp-responses-sent-ipv4: 5402560032 dns-udp-responses-sent-ipv6: 670855229 dns-tcp-responses-sent-ipv4: 123887643 dns-tcp-responses-sent-ipv6: 812000