--- service: a.root-servers.net start-period: '2014-11-23T00:00:00Z' end-period: '2014-11-23T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2273047667 dns-udp-queries-received-ipv6: 178662241 dns-tcp-queries-received-ipv4: 14125307 dns-tcp-queries-received-ipv6: 2132190 dns-udp-responses-sent-ipv4: 2272437149 dns-udp-responses-sent-ipv6: 178629902 dns-tcp-responses-sent-ipv4: 12788639 dns-tcp-responses-sent-ipv6: 1572108