--- service: a.root-servers.net start-period: '2014-09-16T00:00:00Z' end-period: '2014-09-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1418518238 dns-udp-queries-received-ipv6: 121845032 dns-tcp-queries-received-ipv4: 9586317 dns-tcp-queries-received-ipv6: 1080716 dns-udp-responses-sent-ipv4: 1439312328 dns-udp-responses-sent-ipv6: 121651733 dns-tcp-responses-sent-ipv4: 9299497 dns-tcp-responses-sent-ipv6: 683913