--- version: rssac002v3 service: a.root-servers.net start-period: '2020-09-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7216667801 dns-udp-queries-received-ipv6: 1425967314 dns-tcp-queries-received-ipv4: 258648019 dns-tcp-queries-received-ipv6: 122042035 dns-udp-responses-sent-ipv4: 6991375931 dns-udp-responses-sent-ipv6: 1423060026 dns-tcp-responses-sent-ipv4: 240780482 dns-tcp-responses-sent-ipv6: 127359397