--- version: rssac002v3 service: i.root-servers.net start-period: '2019-07-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 90104575 dns-udp-queries-received-ipv6: 21245008 dns-tcp-queries-received-ipv4: 1502185 dns-tcp-queries-received-ipv6: 44430 dns-udp-responses-sent-ipv4: 94410530 dns-udp-responses-sent-ipv6: 21245012 dns-tcp-responses-sent-ipv4: 1532502 dns-tcp-responses-sent-ipv6: 44539