--- version: rssac002v3 service: a.root-servers.net start-period: '2020-11-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8421203253 dns-udp-queries-received-ipv6: 1650811731 dns-tcp-queries-received-ipv4: 306408930 dns-tcp-queries-received-ipv6: 107587954 dns-udp-responses-sent-ipv4: 8196497127 dns-udp-responses-sent-ipv6: 1645054339 dns-tcp-responses-sent-ipv4: 292750225 dns-tcp-responses-sent-ipv6: 107357838