--- service: a.root-servers.net start-period: '2015-11-05T00:00:00Z' end-period: '2015-11-05T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3749672072 dns-udp-queries-received-ipv6: 321969933 dns-tcp-queries-received-ipv4: 22691034 dns-tcp-queries-received-ipv6: 2430484 dns-udp-responses-sent-ipv4: 3756728320 dns-udp-responses-sent-ipv6: 320984829 dns-tcp-responses-sent-ipv4: 20099305 dns-tcp-responses-sent-ipv6: 251770