--- service: j.root-servers.net start-period: '2016-05-16T00:00:00Z' end-period: '2016-05-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8316236758 dns-udp-queries-received-ipv6: 807606454 dns-tcp-queries-received-ipv4: 272887567 dns-tcp-queries-received-ipv6: 5032688 dns-udp-responses-sent-ipv4: 7885973563 dns-udp-responses-sent-ipv6: 807784726 dns-tcp-responses-sent-ipv4: 198805830 dns-tcp-responses-sent-ipv6: 2198211