--- service: a.root-servers.net start-period: '2016-03-05T00:00:00Z' end-period: '2016-03-05T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3739630030 dns-udp-queries-received-ipv6: 314305137 dns-tcp-queries-received-ipv4: 29936387 dns-tcp-queries-received-ipv6: 3353997 dns-udp-responses-sent-ipv4: 3731038258 dns-udp-responses-sent-ipv6: 314751823 dns-tcp-responses-sent-ipv4: 26301409 dns-tcp-responses-sent-ipv6: 282415