--- version: rssac002v3 service: a.root-servers.net start-period: '2019-10-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6631741178 dns-udp-queries-received-ipv6: 1372163571 dns-tcp-queries-received-ipv4: 206160726 dns-tcp-queries-received-ipv6: 50098314 dns-udp-responses-sent-ipv4: 6463179761 dns-udp-responses-sent-ipv6: 1371384043 dns-tcp-responses-sent-ipv4: 202605857 dns-tcp-responses-sent-ipv6: 50331207