--- service: a.root-servers.net start-period: '2014-02-03T00:00:00Z' end-period: '2014-02-03T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1183086382 dns-udp-queries-received-ipv6: 72571723 dns-tcp-queries-received-ipv4: 6928233 dns-tcp-queries-received-ipv6: 1038757 dns-udp-responses-sent-ipv4: 1183123937 dns-udp-responses-sent-ipv6: 72559649 dns-tcp-responses-sent-ipv4: 6922991 dns-tcp-responses-sent-ipv6: 108