--- service: m.root-servers.net start-period: '2016-10-10T00:00:00Z' end-period: '2016-10-10T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1426288597 dns-udp-queries-received-ipv6: 196474283 dns-udp-responses-sent-ipv4: 1363353900 dns-udp-responses-sent-ipv6: 196256659 dns-tcp-queries-received-ipv4: 38492976 dns-tcp-queries-received-ipv6: 4773835 dns-tcp-responses-sent-ipv4: 38411264 dns-tcp-responses-sent-ipv6: 4716757