--- version: rssac002v3 service: a.root-servers.net start-period: '2019-10-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6730042713 dns-udp-queries-received-ipv6: 1447594838 dns-tcp-queries-received-ipv4: 214711264 dns-tcp-queries-received-ipv6: 50468091 dns-udp-responses-sent-ipv4: 6554736579 dns-udp-responses-sent-ipv6: 1446917831 dns-tcp-responses-sent-ipv4: 209884058 dns-tcp-responses-sent-ipv6: 51275326