--- version: rssac002v3 service: a.root-servers.net start-period: '2020-06-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7932184742 dns-udp-queries-received-ipv6: 1584036930 dns-tcp-queries-received-ipv4: 274819409 dns-tcp-queries-received-ipv6: 99923930 dns-udp-responses-sent-ipv4: 7726255479 dns-udp-responses-sent-ipv6: 1581994950 dns-tcp-responses-sent-ipv4: 259589337 dns-tcp-responses-sent-ipv6: 100113879