--- service: h.root-servers.net metric: traffic-volume start-period: '2016-07-12T00:00:00Z' end-period: '2016-07-12T23:59:59Z' dns-udp-queries-received-ipv4: 2168583030 dns-udp-queries-received-ipv6: 366194976 dns-tcp-queries-received-ipv4: 475096 dns-tcp-queries-received-ipv6: 561481 dns-udp-responses-sent-ipv4: 2151244782 dns-udp-responses-sent-ipv6: 366131598 dns-tcp-responses-sent-ipv4: 96788 dns-tcp-responses-sent-ipv6: 507869