--- service: a.root-servers.net start-period: '2014-08-04T00:00:00Z' end-period: '2014-08-04T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1567355316 dns-udp-queries-received-ipv6: 105019502 dns-tcp-queries-received-ipv4: 15076624 dns-tcp-queries-received-ipv6: 1053544 dns-udp-responses-sent-ipv4: 1567290568 dns-udp-responses-sent-ipv6: 105020436 dns-tcp-responses-sent-ipv4: 15309499 dns-tcp-responses-sent-ipv6: 409982