--- version: rssac002v3 service: i.root-servers.net start-period: '2019-07-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 84706207 dns-udp-queries-received-ipv6: 19772383 dns-tcp-queries-received-ipv4: 1555939 dns-tcp-queries-received-ipv6: 44318 dns-udp-responses-sent-ipv4: 85229162 dns-udp-responses-sent-ipv6: 19772374 dns-tcp-responses-sent-ipv4: 1582275 dns-tcp-responses-sent-ipv6: 44368