--- service: h.root-servers.net metric: traffic-volume start-period: '2015-08-23T00:00:00Z' end-period: '2015-08-23T23:59:59Z' dns-udp-queries-received-ipv4: 1977443035 dns-udp-queries-received-ipv6: 158592070 dns-tcp-queries-received-ipv4: 112918 dns-tcp-queries-received-ipv6: 273920 dns-udp-responses-sent-ipv4: 1689143288 dns-udp-responses-sent-ipv6: 158416927 dns-tcp-responses-sent-ipv4: 39888 dns-tcp-responses-sent-ipv6: 247013