--- version: rssac002v3 service: i.root-servers.net start-period: '2020-06-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6769771277 dns-udp-queries-received-ipv6: 1332318956 dns-tcp-queries-received-ipv4: 699254079 dns-tcp-queries-received-ipv6: 170691259 dns-udp-responses-sent-ipv4: 5511361538 dns-udp-responses-sent-ipv6: 1186735807 dns-tcp-responses-sent-ipv4: 640854816 dns-tcp-responses-sent-ipv6: 157402474