--- service: a.root-servers.net start-period: '2014-08-14T00:00:00Z' end-period: '2014-08-14T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1590029187 dns-udp-queries-received-ipv6: 93561973 dns-tcp-queries-received-ipv4: 16939937 dns-tcp-queries-received-ipv6: 829927 dns-udp-responses-sent-ipv4: 1589858244 dns-udp-responses-sent-ipv6: 93564961 dns-tcp-responses-sent-ipv4: 16974924 dns-tcp-responses-sent-ipv6: 295551