--- service: a.root-servers.net start-period: '2015-10-26T00:00:00Z' end-period: '2015-10-26T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3029948799 dns-udp-queries-received-ipv6: 302253559 dns-tcp-queries-received-ipv4: 20286812 dns-tcp-queries-received-ipv6: 4930030 dns-udp-responses-sent-ipv4: 3036886563 dns-udp-responses-sent-ipv6: 301378062 dns-tcp-responses-sent-ipv4: 17564758 dns-tcp-responses-sent-ipv6: 2218587