--- service: h.root-servers.net metric: traffic-volume start-period: '2016-03-09T00:00:00Z' end-period: '2016-03-09T23:59:59Z' dns-udp-queries-received-ipv4: 2872073646 dns-udp-queries-received-ipv6: 255864204 dns-tcp-queries-received-ipv4: 1118277 dns-tcp-queries-received-ipv6: 696469 dns-udp-responses-sent-ipv4: 2771486789 dns-udp-responses-sent-ipv6: 255762385 dns-tcp-responses-sent-ipv4: 717200 dns-tcp-responses-sent-ipv6: 634227