--- version: rssac002v3 service: a.root-servers.net start-period: '2020-05-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8036750543 dns-udp-queries-received-ipv6: 1445089687 dns-tcp-queries-received-ipv4: 335747688 dns-tcp-queries-received-ipv6: 114448103 dns-udp-responses-sent-ipv4: 7809039883 dns-udp-responses-sent-ipv6: 1432825675 dns-tcp-responses-sent-ipv4: 330751174 dns-tcp-responses-sent-ipv6: 112032704