--- version: rssac002v3 service: i.root-servers.net start-period: '2018-07-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5823642346 dns-udp-queries-received-ipv6: 1005746422 dns-tcp-queries-received-ipv4: 127715399 dns-tcp-queries-received-ipv6: 20878591 dns-udp-responses-sent-ipv4: 5806360513 dns-udp-responses-sent-ipv6: 1005118762 dns-tcp-responses-sent-ipv4: 124697476 dns-tcp-responses-sent-ipv6: 20637084