--- service: a.root-servers.net start-period: '2014-05-23T00:00:00Z' end-period: '2014-05-23T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2315212398 dns-udp-queries-received-ipv6: 107452561 dns-tcp-queries-received-ipv4: 12617900 dns-tcp-queries-received-ipv6: 981853 dns-udp-responses-sent-ipv4: 2314519571 dns-udp-responses-sent-ipv6: 107398097 dns-tcp-responses-sent-ipv4: 12639327 dns-tcp-responses-sent-ipv6: 84642