--- version: rssac002v3 service: a.root-servers.net start-period: '2020-07-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7696778722 dns-udp-queries-received-ipv6: 1512760958 dns-tcp-queries-received-ipv4: 207900047 dns-tcp-queries-received-ipv6: 74686971 dns-udp-responses-sent-ipv4: 7482005954 dns-udp-responses-sent-ipv6: 1510952611 dns-tcp-responses-sent-ipv4: 192924131 dns-tcp-responses-sent-ipv6: 75000237