--- service: a.root-servers.net start-period: '2014-08-22T00:00:00Z' end-period: '2014-08-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1988180589 dns-udp-queries-received-ipv6: 155607014 dns-tcp-queries-received-ipv4: 14235061 dns-tcp-queries-received-ipv6: 1977298 dns-udp-responses-sent-ipv4: 1987926280 dns-udp-responses-sent-ipv6: 155626124 dns-tcp-responses-sent-ipv4: 13418487 dns-tcp-responses-sent-ipv6: 966650