--- version: rssac002v3 service: a.root-servers.net start-period: '2018-11-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4209342005 dns-udp-queries-received-ipv6: 721099837 dns-tcp-queries-received-ipv4: 121673219 dns-tcp-queries-received-ipv6: 27964082 dns-udp-responses-sent-ipv4: 4117993343 dns-udp-responses-sent-ipv6: 720635977 dns-tcp-responses-sent-ipv4: 118895832 dns-tcp-responses-sent-ipv6: 28080863