--- service: a.root-servers.net start-period: '2016-08-26T00:00:00Z' end-period: '2016-08-26T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3656784001 dns-udp-queries-received-ipv6: 470954397 dns-tcp-queries-received-ipv4: 56743343 dns-tcp-queries-received-ipv6: 5844425 dns-udp-responses-sent-ipv4: 3647824720 dns-udp-responses-sent-ipv6: 471070882 dns-tcp-responses-sent-ipv4: 54213094 dns-tcp-responses-sent-ipv6: 4185435