--- service: a.root-servers.net start-period: '2014-05-02T00:00:00Z' end-period: '2014-05-02T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2132009077 dns-udp-queries-received-ipv6: 89512943 dns-tcp-queries-received-ipv4: 11256608 dns-tcp-queries-received-ipv6: 1285681 dns-udp-responses-sent-ipv4: 2131272432 dns-udp-responses-sent-ipv6: 89525911 dns-tcp-responses-sent-ipv4: 11235136 dns-tcp-responses-sent-ipv6: 155