--- service: a.root-servers.net start-period: '2014-01-05T00:00:00Z' end-period: '2014-01-05T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1362821508 dns-udp-queries-received-ipv6: 50726636 dns-tcp-queries-received-ipv4: 6484954 dns-tcp-queries-received-ipv6: 678490 dns-udp-responses-sent-ipv4: 1362889871 dns-udp-responses-sent-ipv6: 50734568 dns-tcp-responses-sent-ipv4: 6487781 dns-tcp-responses-sent-ipv6: 60