--- service: a.root-servers.net start-period: '2014-06-24T00:00:00Z' end-period: '2014-06-24T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2056782792 dns-udp-queries-received-ipv6: 140394709 dns-tcp-queries-received-ipv4: 15859715 dns-tcp-queries-received-ipv6: 905814 dns-udp-responses-sent-ipv4: 2056575380 dns-udp-responses-sent-ipv6: 140431481 dns-tcp-responses-sent-ipv4: 15886899 dns-tcp-responses-sent-ipv6: 485902