--- service: h.root-servers.net metric: traffic-volume start-period: '2015-05-29T00:00:00Z' end-period: '2015-05-29T23:59:59Z' dns-udp-queries-received-ipv4: 836280401 dns-udp-queries-received-ipv6: 74977590 dns-tcp-queries-received-ipv4: 112790 dns-tcp-queries-received-ipv6: 39545 dns-udp-responses-sent-ipv4: 771010499 dns-udp-responses-sent-ipv6: 68536628 dns-tcp-responses-sent-ipv4: 42007 dns-tcp-responses-sent-ipv6: 26113