--- version: rssac002v3 service: a.root-servers.net start-period: '2019-11-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6357453023 dns-udp-queries-received-ipv6: 1403898490 dns-tcp-queries-received-ipv4: 239039338 dns-tcp-queries-received-ipv6: 74056288 dns-udp-responses-sent-ipv4: 6183547034 dns-udp-responses-sent-ipv6: 1402774914 dns-tcp-responses-sent-ipv4: 235171920 dns-tcp-responses-sent-ipv6: 74496373