--- version: rssac002v3 service: a.root-servers.net start-period: '2017-05-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3468115823 dns-udp-queries-received-ipv6: 359228517 dns-tcp-queries-received-ipv4: 158566185 dns-tcp-queries-received-ipv6: 7292144 dns-udp-responses-sent-ipv4: 3465975746 dns-udp-responses-sent-ipv6: 359210089 dns-tcp-responses-sent-ipv4: 158664251 dns-tcp-responses-sent-ipv6: 7428222