--- service: a.root-servers.net start-period: '2016-10-30T00:00:00Z' end-period: '2016-10-30T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4486843189 dns-udp-queries-received-ipv6: 393593704 dns-tcp-queries-received-ipv4: 152207061 dns-tcp-queries-received-ipv6: 7643023 dns-udp-responses-sent-ipv4: 4470875674 dns-udp-responses-sent-ipv6: 393490174 dns-tcp-responses-sent-ipv4: 152716187 dns-tcp-responses-sent-ipv6: 7713924