--- version: rssac002v3 service: a.root-servers.net start-period: '2018-08-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4002069519 dns-udp-queries-received-ipv6: 660127737 dns-tcp-queries-received-ipv4: 120188764 dns-tcp-queries-received-ipv6: 20275037 dns-udp-responses-sent-ipv4: 3902416094 dns-udp-responses-sent-ipv6: 659638021 dns-tcp-responses-sent-ipv4: 116500583 dns-tcp-responses-sent-ipv6: 20336198