--- version: rssac002v3 service: a.root-servers.net start-period: '2020-09-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7914644666 dns-udp-queries-received-ipv6: 1501241925 dns-tcp-queries-received-ipv4: 315666731 dns-tcp-queries-received-ipv6: 113798670 dns-udp-responses-sent-ipv4: 7679518872 dns-udp-responses-sent-ipv6: 1499117133 dns-tcp-responses-sent-ipv4: 299030288 dns-tcp-responses-sent-ipv6: 114184159