--- service: a.root-servers.net start-period: '2014-03-12T00:00:00Z' end-period: '2014-03-12T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2304537495 dns-udp-queries-received-ipv6: 90488941 dns-tcp-queries-received-ipv4: 11396390 dns-tcp-queries-received-ipv6: 1227181 dns-udp-responses-sent-ipv4: 2279695637 dns-udp-responses-sent-ipv6: 90461351 dns-tcp-responses-sent-ipv4: 11492724 dns-tcp-responses-sent-ipv6: 118