--- service: a.root-servers.net start-period: '2016-10-29T00:00:00Z' end-period: '2016-10-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4295881839 dns-udp-queries-received-ipv6: 418788283 dns-tcp-queries-received-ipv4: 154610976 dns-tcp-queries-received-ipv6: 8061433 dns-udp-responses-sent-ipv4: 4280533519 dns-udp-responses-sent-ipv6: 418644047 dns-tcp-responses-sent-ipv4: 155159170 dns-tcp-responses-sent-ipv6: 8143341