--- version: rssac002v3 service: a.root-servers.net start-period: '2020-07-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7951297324 dns-udp-queries-received-ipv6: 1547751758 dns-tcp-queries-received-ipv4: 213778164 dns-tcp-queries-received-ipv6: 75924121 dns-udp-responses-sent-ipv4: 7724941683 dns-udp-responses-sent-ipv6: 1545534841 dns-tcp-responses-sent-ipv4: 200066828 dns-tcp-responses-sent-ipv6: 76242839