--- version: rssac002v3 service: a.root-servers.net start-period: '2020-12-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7115778856 dns-udp-queries-received-ipv6: 1376053056 dns-tcp-queries-received-ipv4: 291870389 dns-tcp-queries-received-ipv6: 120056021 dns-udp-responses-sent-ipv4: 6932501395 dns-udp-responses-sent-ipv6: 1374395538 dns-tcp-responses-sent-ipv4: 280891387 dns-tcp-responses-sent-ipv6: 120520170