--- service: a.root-servers.net start-period: '2013-10-02T00:00:00Z' end-period: '2013-10-02T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1988183723 dns-udp-queries-received-ipv6: 105437972 dns-tcp-queries-received-ipv4: 10797846 dns-tcp-queries-received-ipv6: 1203221 dns-udp-responses-sent-ipv4: 1987998687 dns-udp-responses-sent-ipv6: 105500527 dns-tcp-responses-sent-ipv4: 11388418 dns-tcp-responses-sent-ipv6: 21904