--- service: h.root-servers.net metric: traffic-volume start-period: '2016-05-12T00:00:00Z' end-period: '2016-05-12T23:59:59Z' dns-udp-queries-received-ipv4: 2857965975 dns-udp-queries-received-ipv6: 301227481 dns-tcp-queries-received-ipv4: 960760 dns-tcp-queries-received-ipv6: 413028 dns-udp-responses-sent-ipv4: 2820529162 dns-udp-responses-sent-ipv6: 302218129 dns-tcp-responses-sent-ipv4: 740590 dns-tcp-responses-sent-ipv6: 351222