--- version: rssac002v3 service: i.root-servers.net start-period: '2019-07-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 90850530 dns-udp-queries-received-ipv6: 21635118 dns-tcp-queries-received-ipv4: 1706049 dns-tcp-queries-received-ipv6: 44416 dns-udp-responses-sent-ipv4: 95201277 dns-udp-responses-sent-ipv6: 21635123 dns-tcp-responses-sent-ipv4: 1734311 dns-tcp-responses-sent-ipv6: 44480