--- service: a.root-servers.net start-period: '2016-11-23T00:00:00Z' end-period: '2016-11-23T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4817183521 dns-udp-queries-received-ipv6: 450299679 dns-tcp-queries-received-ipv4: 215728928 dns-tcp-queries-received-ipv6: 11083407 dns-udp-responses-sent-ipv4: 4822536448 dns-udp-responses-sent-ipv6: 450041362 dns-tcp-responses-sent-ipv4: 215985409 dns-tcp-responses-sent-ipv6: 11135646