--- service: a.root-servers.net start-period: '2014-11-22T00:00:00Z' end-period: '2014-11-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2168653289 dns-udp-queries-received-ipv6: 178366180 dns-tcp-queries-received-ipv4: 14256417 dns-tcp-queries-received-ipv6: 2149707 dns-udp-responses-sent-ipv4: 2167419585 dns-udp-responses-sent-ipv6: 178343242 dns-tcp-responses-sent-ipv4: 12900083 dns-tcp-responses-sent-ipv6: 1579504