--- version: rssac002v3 service: a.root-servers.net start-period: '2020-03-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8464855516 dns-udp-queries-received-ipv6: 1174324553 dns-tcp-queries-received-ipv4: 317672048 dns-tcp-queries-received-ipv6: 78399530 dns-udp-responses-sent-ipv4: 8227361208 dns-udp-responses-sent-ipv6: 1172614872 dns-tcp-responses-sent-ipv4: 314118862 dns-tcp-responses-sent-ipv6: 78798586