--- service: a.root-servers.net start-period: '2013-10-14T00:00:00Z' end-period: '2013-10-14T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1617372410 dns-udp-queries-received-ipv6: 91546407 dns-tcp-queries-received-ipv4: 7536690 dns-tcp-queries-received-ipv6: 1696951 dns-udp-responses-sent-ipv4: 1617110320 dns-udp-responses-sent-ipv6: 91490527 dns-tcp-responses-sent-ipv4: 8268317 dns-tcp-responses-sent-ipv6: 17752